Logical Puzzles
Exercise - 1
1. Five children were administered psychological tests to know their intellectual level, In the report, psychologist pointed out that the child A is less intelligent than the child B. The Child C is less intelligent than the child D. The child B is less intelligent than the child C and child A is more intelligent than the child E. Which child is the most intelligent.
(a) A (b) E (c) D (d) B (e) None of these
2. Forty per cent of the boys in the class play football and one – third of the remaining play volleyball. Half of those who play football also play cricket. Considering the above, which of the following statement is definitely true.
(a) Forty per cent of the boys do not play any game.
(b) Those who play volleyball do not play any other game.
(c) Some boys play football as well as volleyball.
(d) At least twenty per cent of the boys play cricket.
(e) Those who play cricket do not play any other game.
3. On which day of the week did Prabhat go for a picnic.
To find out the answer to the above question, which of the following information given in the statements I and II is / are sufficient?
(I) He had taken leave on Tuesday and Wednesday.
(II) He wanted to take leave on the following day of the picnic but was not allowed.
(a) Only II is sufficient.
(b) Either I or II is sufficient.
(c) Both I and II together are needed
(d) Only I is sufficient.
(e) Both I and II together are not sufficient.
Directions. Q (4-8) : The Director of the Institute has announced that six guest lectures on different areas like leadership, Decision Making, Quality Circles, Motivation, Assessment Centre and Group Discussion are to be organized, only one on each day from Monday to Sunday in the month of March 1996, in accordance with the following :
(I) Motivation should be organized immediately after Assessment Centre.
(II) Quality Circle Should be organized on Wednesday and should not be followed by Group Discussion.
(III) Decision Making should be organized on Friday and there should be a gap of two days between Leadership and Group Discussion.
(IV) One day, there will be no lecture (Saturday is not that day), just before that day Group Discussion will be organized.
4. How many lectures are organized between Motivation and quality Circle.
(a) Three (b) Four (c) Two (d) One (e) None of these
5. Which of the following information is not required for the above lecture arrangements.
(a) Only I (b) Only III (c) Only II
(d) Only IV (e) All are required.
6. On which day is there no lecture?
(a) Monday (b) Sunday (c) Tuesday
(d) Wednesday (e) None of these
7. Which of the two pairs of lectures organized on first and last day?
(a) Group Discussion and Decision Making
(b) Quality Circle and Motivation
(c) Leadership and Assessment Centre
(d) Group Discussion and Quality Circle
(e) None of these
8. On which day will the lecture on leadership be organized?
(a) Wednesday (b) Friday (c) Saturday
(d) Tuesday (e) None of these
Directions Q. (9-13) : Given that
(i) Six friends P, Q, R, S, T and U are members of a club and play a different game of football, cricket, tennis basketball, badminton and volleyball.
(ii) T who is taller than P and S play tennis.
(iii) The tallest among them plays basketball.
(iv) The shortest among them plays volleyball.
(v) Q and S neither play volleyball nor basketball.
(vi) R plays volleyball.
(vii) T is between Q who plays football and P in order of height.
9. What does S play?
(a) Football (b) Either cricket or badminton
(c) Cricket (d) Badminton (e) None of these
10. What among them is taller than R but shorter than P?
(a) T (b) Data inadequate (c) Q (d) U (e) None
11. Who among them plays basketball?
(a) S (b) U (c) Q (d) K (e) None of these
12. Which of the following statements is not true?
a) T is taller than R b) U is taller than Q
c) P is shorter than R d) Q is taller than S
e) S is taller than R
13. Who will be at the third place it they are arranged in descending order of their height?
(a) T (b) Q (c) P (d) S (e) None of these
Directions Q. 14-20 : Following are the conditions for selecting Coordinator for a training programme on Industrial Relations. The candidate must
(i) be a post – Graduate in Psychology or in Personnel Management.
(ii) have worked as Personnel Manager in an organization for at lest ten years or been teaching in University / Institute for at lest six years.
(iii) have worked as guest speaker in similar programme
(iv) not be less than forty years as on 1st April, 1994.
The case of a candidate who satisfies all the conditions except.
(a) at (ii) above but has obtained Ph.D in one of the lists in (i) and has at least five years work experience or three years teaching experience should be referred to Deputy Director.
(b) at (iii) above but has more than seven years teaching experience should be referrer to Director.
(c) at (iv) above but has working experience of at least five year in an American company may be selected.
Based on the above conditions and the information's provided in each of the questions below, decide the course of action in each case. You are not to assume anything. If the data provided is not adequate to decide the given course of action, you answer will be 'Data inadequate'. These cases are given to you as on 1.4.1994.
14. Alok Desai as a Post – Graduate in Psychology and has been teaching in an institute for the last five years and has coordinated such programmes in the past. He was 39 years old as on 10th March 1993.
(a) Refer to Director (b) Do not select
(c) Data inadequate (d) Select
(e) None of these
15. Samir Malkani is a post – Graduate in Personnel Management and was born on 15th January, 1950. He has been working in a company for the last twelve years as a personal manager.
(a) Refer to Director (b) Refer to Dy. Director
(c) Select (d) Do not select (e) None of these
16. Usha Sodani is a Ph.D in Personnel Management and has been teaching in an institute for last ten years. She has worked as a guest speaker in a similar programme and was born on 26th August, 1951.
(a) Refer to Director (b) Refer to Dy. Director
(c) Do not select (d) data inadequate
(e) None of these
17. Sudha Malhotra is a Post – Graduate in Pshchology and has been teaching in an institute for the last fifteen years. She has not worked as guest speaker in similar programmes in the past.
(a) Data inadequate (b) Select
(c) Refer to Director (d) Do not select (e) None of these
18. Mrinal Kelkar is a Post – Graduate in Business Management and has been working as a personnel Management for the last twelve years. He has worked as guest speaker in similar programmes in the post. he will be 43 years old as on 5th May, 1996.
(a) Refer to Dy. Director (b) Refer to Director
(c) Do not select (d) Select
(e) None of these
19. Proloy Saha is a Ph.D in Psychology and has been working in an organization for the last six years as a personnel manager and has worked as a guest speaker in similar programmes in the past. His date of birth is 27.6.1952.
(a) Refer to Director (b) Data inadequate
(c) select (d) Refer to Deputy Director
(e) None of these
20. Asha Sachdev is a Post – Graduate in Personnel Management and has been teaching in an institute for the last ten years. She has never worked as a guest speaker in similar programmes in the past. She was born on 19th October, 1948.
(a) Date inadequate (b) Do not select
(c) Refer to Director (d) select (e) None of the these
Exercise – 2
Directions Q. 1-5 : Five friends P, Q, R, S and T are traveling in a group.
(i) In the group , there is one tennis player , one cricket player and one chess player.
(ii) P, the son of a doctor, earns more than tennis player.
(iii) S is an unmarried lady.
(iv) There is one married couple in the group of which Q is the husband.
(v) T is the brother of R and is neither a chess player nor a cricket player.
(vi) The cricket player earns the least money.
1. Which of the following is a group of male friends.
(a) P, Q, R (b) Q, T, R (c) P, R, T (d) P, Q, T
2. Who is the cricket player.
(a) P (b) Q (c) R (d) S
3. Who is the sister of R.
(a) P (b) Q (c) S (d) T
4. Who is the chess player.
(a) P (b) Q (c) R (d) S
5. Who is the wife of Q.
(a) P (b) R (c) S (d) T
Direction Q. 6-10 : Given that :
(i) A, B, C, D, E, F and G are sitting in a row facing north.
(ii) F is to be immediate right of E.
(iii) E is fourth to the right of E.
(iv) C is neighbor of B and D.
(v) Person who is third to the left of D is at one of the ends.
6. What is the position of A.
(a) Between E and D. (b) To the extreme right
(c) To the extreme left (d) Fifth of the right of G.
7. What is the position of G.
(a) To the extreme left (b) To the extreme right
(c) Third of the left (d) Third from the right.
8. Who is the middle position.
(a) B (b) C (c) D (d) F
9. Who are the neighbors of B.
(a) C and D (b) G and F (c) C and G (d) F and G
10. Which of the following statements is definitely fals?
(a) G is to the immediate left of B
(b) F is 2nd to the right of D.
(c) A is at one of the ends
(d) E is to the immediate left of D.
Direction Q. 11-15 : Given that.
(i) P, Q, R, S, T and U are traveling in a bus.
(ii) There are two reporters, two technicians, one photographer and one writer in the group.
(iii) The photographer P is married to S who is reporter.
(iv) The writer is married to Q who is of the same profession as that of U.
(v) P, R, Q, S are two married couples and nobody in the group.
(vi) U is brother of R.
11. Which of the following is a pair of reporter.
(a) ST (b) PQ (c) RT (d) SU
12. Which of the following is a pair of technicians.
(a) PT (b) QU (c) SU (d) RS
13. Which of the following pairs is a couple.
(a) QS (b) PT (c) QR (d) PQ
14. How R is related to U.
(a) Brother (b) Sister (c) Nephew
(d) Cannot be definitely said.
15. Which of the following is the profession of R.
(a) Writer (b) Technician (c) Photographer (d) Reporter
Directions Q. 16-20. : There are six teachers A, B, C, D, E and F in a school. Each of the six teachers teaches two subjects, one compulsory subject and the other the optional subject. D's optional subject was history which three others have it as compulsory subjects. E and F have physics as one of their subjects of both C and E. History and English are A's subjects but in terms of compulsory – optional subject they are just reverse of those of D's chemistry is an optional subject of only one of them. The only female teacher in the school has English as her compulsory subject.
16. Who is the female member in the group.
(a) A (b) B (c) C (d) D
17. What is C's compulsory subject.
(a) History (b) Physics (c) Maths (d) English
18. Which of the following groups, has history as their compulsory subject.
(a) A, C and D only (b) B, C and D only
(c) C and D only (d) A, B, and C only
19. Which of the following have same compulsory optional subject as those of F's.
(a) A (b) C (c) D (d) None of these
20. Disregarding which is the compulsory and which is the optional subject who has the same two subjects combination as F.
(a) A (b) B (c) C (d) E
Direction Q. 21 – 25 : A training colleges has to conduct a refresher course for teachers of seven different subjects – education, Psychology, Philosophy, Sociology, Economics, Science and Engineering from 22nd July to 29th July.
(i) Course should start with psychology.
(ii) 23rd July being Sunday should be holiday.
(iii) Science subject should be on the previous day of the engineering subject.
(iv) Philosophy should be immediately after the holiday.
(v) There should be a gap of one day between Economics and Engineering.
21. The refresher course will start with which one of the following subjects.
(a) Psychology (b) Education
(c) Philosophy (d) Economics
22. Which subject will be on Tuesday.
(a) Education (b) Engineering
(c) Economics (d) Sociology
23. Which subject preceeds education.
(a) Sociology (b) philosophy
(c) Science (d) Engineering
24. How many day's gap is there in between Science and Philosophy.
(a) One (b) Two (c) Three (d) No gap
25. Science follows which subject.
(a) Engineering (b) Psychology
(c) Philosophy (d) Economics.
Exercise – 3
Directions. 1-10 : The following are the six subjects for the annul examination of the Ninth standard in a school.
(i) Mathematics (150 marks)
(ii) Social Sciences (150 marks)
(iii) Physical Sciences (150 marks)
(iv) English (100 marks)
(v) Hindi (50 marks) and
(vi) Gujarati (100 marks)
A student is declared pass according to the following rules:
(a) He secures 40 per cent marks in each subject.
(b) He secures minimum 50 per cent marks of the total marks is he has failed only in one subject by up to 10 marks.
(c) He secures minimum 60 per cent marks of the total marks if he fails in only up to two subjects by only upto 20 marks.
(d) He secures minimum 60 per cent of the total marks, if he fails in only one subject by upto 30 marks.
(e) He secures minimum 70 percent of the total marks, if the fails in only one subject by upto 30 marks.
(f) he secures minumum70 percent of the total marks, if he fails in more then one but not more than three subjects. He should not fail by more than 10 marks in each of the subjects.
(g) He secures 80 per cent of the total marks.
| Student's Name | Maths (150) | Social Sciences (150) | Marks in Physical Sciences (150) | English (100) | Hindi (50) | Gujarati (100) | Total 700
|
| P Q R S T U V W X Y | 65 120 40 100 120 70 90 60 80 90 | 80 130 40 120 60 80 90 60 80 140 | 45 140 40 90 90 90 75 50 90 130 | 70 85 60 20 30 70 30 50 80 80 | 25 2 40 40 30 35 10 20 40 40 | 75 90 60 80 60 80 40 40 60 10 | 360 567 280 450 390 425 335 280 430 490 |
Based on the above criteria and the information given for each of the students in the above table, you have to decide whether a student passes of fails, if the student fails marks answer (E) ; if the student passes, decide under which condition (s), he passed and mark your answer accordingly. Please note that you are not to assume anything in the case of any student beyond the given data.
1. The student Y.
(a) Passes under a only (b) Passes under e only
(c) Passes under f only (d) Passes under c only
(e) fails.
2. The student U
(a) Passes under a only (b) Passes under c or d only
(c) Passes under c only (d) Passes under d or e only (e) fails.
3. The student W.
(a) Passes under b only (b) Passes under a only
(c) Passes under a or b only (d) passes under b or c only
(e) fails.
4. The student Q.
(a) Passes under g only (b) Passes under d only
(c) Passes under e only (d) Passes under b only
(e) fails.
5. The student X.
(a) Passed under c only (b) Passed under b only
(c) Passes under a only (d) Passes under c or d only (e) fails.
6. The student S.
(a) Passes under c only (b) Passes under b only
(c) Passes under d only (d) Passes under e only
(e) fails.
7. The student T.
(a) Passes under c only (b) Passes under b only
(c) Passes under a only (d) Passes under e only
(e) fails.
8. The student V.
(a) Passes under a or b only (b) passes under a only
(c) Passes under b only (d) Passes under b or c only
(e) fails.
9. The student R.
(a) Passes under a only (b) Passes under c only
(c) Passes under e only (d) passes under b or c only (e) fails.
10. The student P.
(a) Passes under b only (b) Passes under a only
(c) Passes under a or c only (d) Passes under d only
(e) fails
Directions Q. (11-15) : If ranks of the five candidates A, B, C, D and E are arranged in the ascending order of the marks in Reasoning, E is the fourth and D is the first. When they are arranged in the ascending order of their marks in English, A takes the place of E and E takes the place of B, C's position remains the same in both the arrangement. B's marks are the lowest in one test and the highest in the other test : A has secured more marks than C is Reasoning.
11. Read the following two statements and decide which one is true.
Statement I : C's marks in Reasoning are equal to his marks in English.
Statement II : B's marks in English are less than his marks in Reasoning.
(a) Only statement I is true.
(b) Both the statement I and II are true.
(c) Only statement II is true.
(d) Both the statements I and II are false.
(e) Data inadequate.
12. Whose marks in English are more than C's marks in English?
(a) Only E's (b) Only A's (c) E's and A's
(d) B's and D's (e) None of these
13. Who has secured the highest marks in the reasoning?
(a) A (b) B (c) C (d) D (e) E
14. Which of the following groups of candidates has improvement in rank in English as compared to that in Reasoning?
(a) ADC (b) BDA (c) BDE (d) DAE (e) None of these
15. Who has secured the highest marks in English?
(a) A (b) B (c) C (d) D (e) E
Directions. Q 16-20 : Given that.
(i) A group of six persons A, B, C, D, E and F are member of club.
(ii) Out of these six persons two are musicians, two are badminton players, one is a photographer and one is magician.
(iii) A, the photographer, is married to D who is a musician.
(iv) The magician is married to B, who is of the same profession as that of F.
(v) A, B, C, D are two married couples in the group.
(vi) F,the unmarried badminton player is the brother of C
(vii) In the pair of badminton players only one is male.
16. Which of the following is a pair of musicians?
(a) BE (b) BF (c) DE (d) AB (e) AC
17. Who is the magician in the group?
(a) A (b) C (c) E
(d) Cannot be determined (e) None of these
18. What is the profession of B?
(a) Badminton player (b) Musician (c) Magician
(d) Cannot be determine (e) None of these
19. Which of the following is a pair of males only?
(a) AB (b) BC (c) EC (d) ED (e) None of these
20. Which of the following is a pair of only married females in the group?
(a) CD (b) AD (c) AB (d) BD (e) ED
Exercise – 4
Directions Q. 1-4 : Read the following information and answer the questions that follow:
Four youngmen, Raj, Prem, Ved and Ashok are friendly with four girls Sushma, Kusum, Vimla and Poonam. Sushma and Vimla are friend. Ved's girlfriend does not like Sushma and Vimla. Kusum does not care for Ved. Prem's girlfriend is friendly with Sushma. Sushma does not like Raj.
1. Who is Raj's girl friend?
a) Sushma b) Kusum c) Vimla d) Poonam
2. With whom is Sushma friendly?
a) Raj b) Prem c) Ved d) Ashok
3. Who is Poonam's boy friend?
a) Ashok b) Ved c) Prem d) Raj
4. Who does not like Sushma and Vimla?
a) Poonam b) Raj c) Ashok d) Ved
5. On a shelf are placed six volumes side – by – side labeled A, B, C, D, E and F, B, C, E, F have green covers while others have yellow covers. A, B, D are new volumes while the rest are old volumes. A, C, B are law reports while the rest are medical extracts. Which two volumes are old medical extracts are have green covers?
a) B, C b) C, D c) C, E d) E, F
Direction Q. 6-10 : Read the following information carefully and answer the question given below it :
There are six persons A, B, C, D, E and F in a school. Each of the teachers teaches two subjects, one compulsory subject and the other optional subject. D's optional subject and the other optional subject. D's optional subject was History while three others have it as compulsory subjects. F's compulsory subject is Mathematics which is an optional subject of both C and E. History and English are A's subjects but in terms of compulsory and optional subjects, they are just reverse of those of D's. Chemistry is an optional subject of only one of them. The only female teacher in the school has English as her compulsory subject.
6. What is C's compulsory subject?
a) History b) Physics c) Chemistry
d) English e) Mathematics
7. Who is a female member in the group?
a) A b) B c) C d) D e) E
8. Which of the following has same compulsory and optional subjects as those of F's?
a) D b) B c) A d) C e) None of these
9. Disregarding which is the compulsory and which is the optional subject, Who has the same two subject combination as F?
a) A b) B c) E d) D e) None of these
10. Which of the following groups has History as the compulsory subject?
a) A, C, D b) B, C, D c) C, D d) A, B, C e) A, D
Directions Q. 11-15 : Read the following information carefully and answer the questions that follow :
- P, Q, R, S, T and U are six students procuring their Master's degree in six different subjects – English , History, Philosophy, Physics, Statistics and Mathematics.
- Tow of them stay in hostel, two stay in hostel, two stay as paying guest (PG) and the remaining two stay at their home.
- R does not stay as PG and studies Philosophy
- The students studying Statistics and History do not stay as PG.
- T studies Mathematics and S studies Physics.
- U and S stay in hostel. T stays as PG and Q stays at home.
11. Who studies English
a) R b) S c) T d) U e) None of these
12. Which of the following combinations of subject and place of stay is not correct?
a) English – Hostel b) Mathematics – PG
c) Philosophy – Home d) Physics – Hostel
e) None of these
13. Which of the following pairs of students stay one each as hostel and at home?
a) QR b) SR c) US
d) Data inadequate e) None of these
14. Which subject does Q study?
a) History b) Statistics c) History of Statistics
d) Data inadequate e) None of these
15. Which of the following pairs of students stay at home?
a) PQ b) QR c) RS d) ST e) None of these
Directions Q. 16-19 : Study the given information carefully and answer the questions that follow :
(i) There are six friends A, B, C, D, E and F.
(ii) Each one is proficient in one of the games, namely Badminton, Volleyball, Cricket, Hockey, Tennis and Polo.
(iii) Each owns a different coloured car, namely yellow, green, black, white, blue and red.
(iv) D plays Polo and owns a yellow coloured car.
(v) C does not play either Tennis or Hockey and owns neither blue nor yellow coloured car.
(vi) E owns a white car and plays Badminton.
(vii) B does not play Tennis, he owns a red coloured car.
(viii) A plays Cricket and owns a black car.
16. Who plays Volleyball.
a) B b) C c) F d) Data inadequate e) None of these
17. Which coloured car F owns.
a) Green b) Blue c) Either Green or Blue
d) Data inadequate e) None of these
18. Which of the following combinations of colour of car and game played is not correct.
a) Yellow – Polo b) Green – Tennis c) Black – Cricket
d) Red – Hockey e) None of these
19. In a group of six women, there are four dancers, four vocal musicians, one actress and three violinists. Girija and Vanaja are among the violinists while Jalaja and Shailja do not know how to play on the violin. Shailja and Tanuja are among the dansers. Jalaja, Vanaja, Shailja and Tanuja are all vocal musicians and two of there are also violinists. If Pooja is an actress, who among the following is both a dancer and a violinist?
a) Jalaja b) Shailja c) Tanuja d) Pooja
Exercise – 5
Directions Q. 1-5 : Read the following information carefully and answer the questions given below:
Six persons A, B, C, D, E and F are sitting in two rows, three in each.
E is not at the end of any row.
D is second to the left of F.
C, the neighbour of E, is sitting diagonally opposite to D.
B is the neighbour of F.
1. Which of the following are sitting diagonally opposite to each other.
a) F and C b) D and A c) A and C
d) A and F e) A and B
2. Who is facing B?
a) A b) C c) D d) E e) F
3. Which of the following are in the same row?
a) A and E b) E and D c) C and B
d) A and B e) C and E
4. Which of the following are in one of the two rows?
a) FBC b) CFB c) DBF d) AEF e) ABF
5. After interchanging seat with E, who will be the neighbours of D in the new position?
a) C and A b) F and B c) Only B
d) Only A e) Only C
6. Five girls are sitting in a row, Rashi is not adjacent to Sulekha or Abha. Anuradha is not adjacent of Sulekha. Rashi is adjacent to Monika. Monika is at the middle in the row. Then, Anurahda is adjacent to whom out of the following?
a) Rashi b) Sulekha c) Abha
d) Monika e) Cannot be determined
7. In the Olympic Games, the flags of six nations were flown on the masts in the following way
The flag of America was to the left of Indian tricolour and to the right of the flag of France. The flag of Australia was on the right of the Indian flag but was to the left of the flag of China. Find the two flags which are in the centre.
a) India and Australia b) America and India
c) Japan and Australia d) America and Australia
Directions Q. 8 – 12: Study the given information carefully and answer the questions that follow:
(i) Eleven students A, B, C, D, E, F, G, H, I, J and K are sitting in the first row of the class facing the teacher.
(ii) D who is to the immediate left of F is second to the right of C.
(iii) A is second to the right of e, who is at one of the ends.
(iv) J is the immediate neighbour of A and B and third to the left of G.
(v) H is to the immediate left of D and third to the right of I
8. Who is sitting in the middle of the row?
a) B b) C c) G d) I e) None of these
9. Which of the following groups of friends is sitting to the right of G?
a) CHDE b) CHDF c) IBJA d) ICHDF e) None
10. Which of the following statements is true in the context of the above sitting arrangements?
a) There are three students sitting between D and G
b) K is between A and J.
c) B is sitting between J and I
d) G and C are neighbour sitting to the immediate right of H.
11. In the above sitting arrangement, which of the following statements in superfluous.
a) (i) b) (ii) c) (iii) d) (iv) e) None is superfluous
12. If E and D, C and B, A and H and K and F interchange their positions, which of the following pairs of students is sitting at the ends.
a) D and E b) E and F c) D and K
d) K and F e) None of these
Directions. Q. 13-17 : Read the following information carefully and answer the questions given below it:
(i) Eight persons E, F, G, H, I, J, K and L are seated around a square table – two on each side.
(ii) There are three lady members and they are not seated next to each other.
(iii) J is between L and F.
(iv) G is between I and F.
(v) H, a lady member, is second to the left of J.
(vi) F, a male member is seated opposite E, a lady member.
(vii) There is a lady member between F and I.
13. Who among the following is seated between E and H?
a) F b) I c) J d) Cannot be determined e) None
14. How many persons are seated between K and F?
a) One b) Two c) Three
d) Cannot be determined e) None of these
15. Who among the following are the three lady members?
a) E, G and J b) E, H and G c) G, H and J
d) Cannot be determined e) None of these
16. Who among the following is to the immediate left of F?
a) G b) I c) J d) Cannot be determined e) None
17. Which of the following is true about J?
a) J is a male member b) J is a female member
c) Sex of Ja cannot be determined
d) Position of J cannot be determined
e) None of these
Directions Q. 18-20: Study the given information carefully and answer the questions that follow:
(i) There are seven books one each of Psychology, Hindi, English, Sociology, Economics, Education and Accountancy, lying on a table one above the other.
(ii) Sociology is non the top of all the books.
(iii) Accountancy is immediately below Education which is immediately below Sociology.
(iv) Economics is immediately above Psychology but not in the middle.
(v) Hindi is immediately below Psychology.
18. Economics is between which of the following books
a) Accountancy and Hindi b) Psychology and Hindi
c) English and Psychology d) Psychology and Sociology e) None of these
19. Which three books are between Accountancy and Hindi.
a) English, Economics and Psychology.
b) Economics, Psychology and Education
c) Economics, Psychology and Hindi
d) Cannot be determined
e) None of these
20. If Sociology and English, Accountancy and Hindi and Education and Psychology interchange their positions, which book will be between Psychology and Sociology?
a) Accountancy b) Psychology c) Hindi
d) Economics e) None of these
Directions Q. 21 – 22 : The following questions are based on the information given below:
(i) Seven books are placed one above the other in a particular way.
(ii) History books is placed exactly above Civics book.
(iii) Geography book is fourth from the bottom and English book is fifth from the top.
(iv) There are two books is between Civics and Economics books.
21. How many books are there between Civics and Science books? To answer this question, which other extra information is required, if any, from the following?
a) There are two books between Geography and Science books.
b) There are two books between Mathematics and Geography books.
c) There is one book between English and Science books.
d) The civics book is before two books above Economics book.
e) No other information is required.
22. Out of the following which three books are kept above English book? To answer this question, which of the other information, if any, is required?
a) The Economics book is between English and Science books.
b) There are two books between English and History books.
c) The Geography book is above English book.
d) The Science book is above English book.
e) No other information is required.
Directions. Q. 23 – 27 : Read the following information carefully and answer the questions given below it:
Seven friends Kamla, Manish, Rohit, Amit, Gaurav, Pritam and Priya are Sitting in a circle. Kamla, Manish, Rohit, Amit, Pritam and Priya are sitting at equal distances from each other.
Rohit is sitting two places right of Pritam, who is sitting one place right of Amit. Kamla forms an angle of 90 degrees from Gaurav and an angle of 120 degrees from Manish. Manish is just opposite Priya and is sitting on the left of Gaurav.
23. Who is the only person sitting between Rohit and Manish?
a) Pritam b) Amit c) Gaurav d) Kamla
24. Gaurav is not sitting as equal distance from Rohit and Minish?
a) Rohit and Pritam b) Amit and Kamla
c) Manish and Pritam d) All the above.
25. Gaurav is sitting _______ of Priya?
a) to the left b) to the right
c) two places right d) None of these
26. The Angle between Gaurav and Manish in the clockwise directions is:
a) 1500 b) 180 c) 210 d) None of these
27. Which of the following statement is not correct?
a) Pritam is between Manish and Kamla
b) Manish is two places away from Priya
c) Gaurav is sitting opposite Pritam
d) All of the above.
Exercise – 6
Directions Q. 1-3 : Read the information given below and answer the questions that follow:
(i) There is a group of five girls.
(ii) Kamini is second in height but younger than Rupa.
(iii) Pooja is taller than Monika but younger is age.
(iv) Rupa and Monika are of the same age but Rupa is tallest between them.
(v) Neelam is taller than Pooja and elder to Rupa.
1. If they are arranged in the ascending order of height, who will be in third position.
a) Monika b) Rupa c) Monika or Rupa d) Data inadequate e) None of these
2. If they are arranged in the descending order of their ages, who will be in fourth position.
a) Monika or Rupa b) Kamini c) Monika
d) Data inadequate e) None of these
3. To answer the question "who is the youngest person in the group", which of the given statements is superfluous.
a) Only (i) b) Only (ii) c) Only (v)
d) Either (i) or (iv) e) None of these
Directions Q. 4 – 9 : Study the following information and answer the question given below it:
A blacksmith has five iron articles A, B, C, D and E, each having a different weight.
(i) A weighs twice as much as B.
(ii) B weighs four and a half times as much as C.
(iii) C weighs half as much as D.
(iv) D weighs half as much as E.
(v) E weighs less than A but more than C.
4. What of the following is the lightest in weight?
a) A b) B c) C d) D e) E
5. E is lighter in weight than which of the other two articles.
a) A, B b) D, C c) A, C d) D, B e) B, E
6. E is heavier than which of the following tow articles.
a) D, B b) D, C c) A, C d) A, B e) None of these
7. Which of the following articles is the heaviest in weight?
a) A b) B c) C d) D e) E
8. Which of the following represents the descending order of weights of the articles?
a) A, B, E, D, C b) B, D, E, A, C c) E, C, D, A, B
d) C, A, D, B, E e) A, B, D, E, C
9. Which of the above given statements is not necessary to determine the correct order of articles according to their weights?
a) 1 b) 2 c) 3 d) 4 e) 5
Directions Q. 10 – 14 : Study the given information carefully and answer the question that follow:
(i) Six friends P, Q, R, S, T and U are members of a club and play a different game of Football, Cricket, Tennis, Basketball, Badminton and Volleyball.
(ii) T who is taller than P and S plays Tennis.
(iii) The tallest among them plays Basketball.
(iv) The shortest among them plays Volleyball.
(v) Q and S neither play Volleyball nor Basketball.
(vi) R plays Volley ball.
(vii) T is between Q who plays Football and P in order of height.
10. Who among them is taller than R but shorter than P.
a) Q b) T c) U d) Data inadequate e) None
11. Who will be at the third place if they are arranged in the descending order of their height.
a) Q b) P c) S d) T e) None of these
12. Which of the following statements is not true?
a) P is shorter than R b) Q is taller than S
c) S is taller than R d) T is taller than R
e) U is taller than Q
13. Who among them plays Basketball?
a) Q b) R c) S d) U e) None of these
14. What does S play
a) Cricket b) Badminton
c) Either Cricket or Badminton d) None of these
Exercise – 7
Directions. Q 1-5 : Read the following information and answer the questions that follow :
A, B, C, D and E are five towns out of which two are hill stations and the rest are in Plain. Two towns, which are in plain, are harbours. Four towns out of five are capitals and two are industrial town. Population to two towns is less than 5 lacs. It is 20 lacs of one town and more than 50 lacs of two towns. Two towns are on the same latitudes and other two are on the same longitudes. Latitudes and longitudes of both harbours are different and out of these one is an industrial town. The Population of both industrial towns is more than 50 lacs. The longitudes of one hill station and one of the industrial towns are same. The latitudes and longitudes of the other hill station and other harbour are different. One industrial town is neither a hill station of which longitudes are same as tat of a harbour, is a capital. B is a hill station while the longitudes of A and E are same. E is a harbour. The latitudes of D and C are same and the population of D is 20 lacs. Both the harbours are capitals and one of them is an industrial town.
1. Which of the following two towns are those population is less than 5 lacs?
a) D and A b) B and C d) A and B
d) A and C e) None of these
2. Which of the following towns is not a capital?
a) A b) C c) D d) E e) B
3. Which of the following is harbour, capital and industrial town?
a) A b) B c) C d) E e) D
4. Which of the following towns have population more than 50 lacs.
a) A and D b) B and E c) C and E
d) C and D e) A and C
5. Which of the following towns in hill stations as well as capital?
a) B b) C c) E d) D e) A
Directions. Q 6 – 10 : Study the following information carefully and answer the questions given below it :
Of the five boys A, B, C, D and E two are good, one is poor and two are average is studies. Tow of them study in post – graduate classes and three in under – graduate classes. One comes from a rich family, two from middle – class families and two from poor families. One of them is interested in music, two in acting and one in sports. Of those studying in under – graduate classes, two are average and one is poor in studies. Of the tow boys interested in acting, two are average and one is poor in studies. Of the two boys interested in acting, on is a post – graduate student. The one interested in music comes from a middle – class family. Both the boys interested in acting are not industrious. The two boys, coming from middle - class families are average in studies and one of them is interested in acting. The boys interested in acting are not industrious. The two boys coming from middle - class families are average in studies and one of them is interested in acting. The boy interested in sports comes from a poor family, while the one interested in music is industrious. E is industrious, good in studies, comes from a poor family and is not interested in acting, music or sports, C is poor in studies in spite of being industrious. A comes from a rich family and is not industrious but good in studies. B is industrious and comes from a middle – class family.
6. Name the boy interested in sports.
a) A b) B c) C d) D
7. Name the boy interested in music.
a) A b) B c) C d) D
8. Name the middle – class family boy interested in acting.
a) A b) B c) C d) D
9. Name the boys studying in post – graduate classes.
a) A, D b) A, E c) B, C d) D, E
10. Name the boy who is industrious and in average in studies.
a) A b) B c) C d) D
Mathematical Reasoning
1. A bird shooter was asked how many birds he had in a bag. He replied that there were all sparrow but six, all pigeons but six, all pigeons but six, all pigeons but six, and all docks but six. How many birds had he in all?
a) 9 b) 18 c) 27 d) 36
2. First bunch of bananas has ¼ again as many bananas as a second bunch. If the second bunch has 3 bananas less than the first bunch, then the number of bananas in the first bunch are?
a) 9 b) 10 c) 12 d) 15
3. The number of boys in a class is three times the number of girls. Which one of the following numbers cannot represent the total number of children in the class?
a) 48 b) 44 c) 42 d) 40
4. A placed three sheets with two carbons to get two extra copies of the original. Then he decided to get more carbon copies and folded the paper in such a way that the upper half of the sheets was on top of the lower half. Then he typed. How many carbon copies did he get?
a) 1 b) 2 c) 3 d) 4
5. A motorist knows four different routes from Bristol to Birmingham. From Birmingham to Sheffield he known three different routes and from Sheffield to Carlisle he known two different routes. How many routes doest he known from Bristol to Carlisle.
a) 4 b) 8 c) 12 d) 24
6. In a class, 20% of the members own only two cars each, 40% of the remaining own three cars each and the remaining members own only one car each. Which of the following statements is definitely true from the given statements?
a) Only 20% of the total member own three cars each.
b) 48% of the total members own only one care each.
c) 60% of the total members own at least two cars each.
d) 80% of the total members own at least one car.
e) None of these
7. I have a few sweets to be distributed. If I keep 2, 3 or 4 in a pack, I am left with one sweet. If I keep 5 in a pack, I am left with none. What is the minimum number of sweets I can have to pack and distribute?
a) 25 b) 37 c) 54 d) 65
8. In a cricket match, five batsmen A, B, C, D and E scored an average of 36 runs. D scored 5 more than E; E scored 8 fewer than A; B scored as many as D and E combined; and B and C scored 107 between them. How many runs did E score?
a) 62 b) 45 c) 28 d) 20
9. A, B, C, D and E play a game of cards. A says to B, "If you give me three cards, you will have as many as E has and if I give you three cards, you will have as many as D has." A and B together have 10 cards more than what D and E together have. If B has two cards more than what C has and the total number of cards be 133, how many cards does B have.
a) 22 b) 23 c) 25 d) 35
10. In a caravan in addition to 50 hens, there are 45 goats and 8 camels with some keepers. If the total number of feet by 225 more than the number of heads in the carvan, the number of keepers is.
a) 5 b) 8 c) 10 d) 15
11. In an examination, a student scores 4 marks for every correct answer and loses 1 mark for every wrong answer. If he attempts all 75 questions and secured 125 marks, the number of questions he attempts correctly, is
a) 35 b) 40 c) 42 d) 46
12. A is three times as old as B. C was twice as old as A four years ago. In four years' time, A will be 31. What is the present age of B and C?
a) 9, 46 b) 9, 50 c) 10, 46 d) 10, 50
13. A father tells his son, "I was of your present age when you were born," if the father is 36 now, how old was the boy 5 years back.
a) 13 b) 15 c) 17 d) 20
14. Ravi's brother is 3 years senior to him. His father was 28 years of age when his sister was born while his mother was 26 years of age when he was born. If his sister was 4 years of age when his brother was born, what was the age of Ravi's father and mother representively when his brother was bron?
a) 32 years, 23 years b) 32 years, 29 years c) 35 years, 29 years. d) 35 years, 33 years
15. In a town 65% people watched the news on television, 40% read a newspaper and 25% read a newspaper and watched the news on television also. What percent of the people neither watched the news on television nor read a newspaper?
a) 5 b) 10 c) 15 d) 20
Directions Q. 16 – 20 : The following questions are based on the information given below :
Passed in all the subjects
Failed in all the subjects
Failed in social Sciences
Failed in Mathematics
Failed in Science
Passed in Social Sciences only
Passed in Mathematics only
Passed in Science only
16. How many failed in Social Sciences only
a) 15 b) 21 c) 30 d) 42
17. How many failed in one subject only
a) 152 b) 144 c) 61 d) 56
18. How many passed in Mathematics and at least one more subject.
a) 210 b) 203 c) 170 d) 94
19. How many failed in two subjects only
a) 56 b) 61 c) 152 d) 162
20. How many passed at least in one subject.
a) 450 b) 390 c) 304 d) 167
Directions Q. 21 – 23 : Study the information given below and answer the questions that follow :
A publishing firm publishes newspapers A, B, and C. In an effort to persuade advertisers to insert advertisement in these newspapers, the firm finds out the following statement to possible advertisers :
A survey of representative sample of the whole population shows that –
Newspaper A is read by 26%
Newspaper B is read by 25%
Newspaper C is read by 16%
Newspaper A and B are read by 11%
Newspaper B and C are read by 10%
Newspaper C and A is read by 9%
Newspaper C only is read by 0%.
21. The percentage of readers who read all the three newspaper is :
a) 1 b) 4 c) 5 d) 6
22. The percentage of readers who read A and B but not C, is
a) 2 b) 4 c) 5 d) 6
23. The percentage of readers who read at least one of the three newspapers is
a) 40 b) 50 c) 60 d) 65
Percentage Questions
1. Which of the following is the largest number?
a) 20% of 200 b) 7% of 500
c) 1300% of 3 d) 600% of 7
2. If 25% of a number is 75, then 45% of that number is
a) 145 b) 125 c) 150 d) 135
3. What is 20% of 50% of 75% of 50?
a) 5.25 b) 3.75 c) 7.25 d) 5.5
4. If we express 41 (3/17) % as a fraction, then it is equal to :
a) 17/7 b) 7/17 c) 12/17 d) 3/17
5. Mr. Abhimanju Banarjee is worried about the balance of his monthly budget. The price of Petrol increased by 40%. By what % should he reduce the consumption of petrol so that he is able to balance his budget?
a) 33.33 b) 28.56 c) 25 d) None of these
6. In question 5, if Mr Banarjee wanted to limit the increase in his expenditure to 5% in his basic expenditure on petrol than what would be the corresponding decrease in consumption so that expenditure exceeds only 5%?
a) 33.33 b) 28.56 c) 25 d) None of these
7. A number is mistakenly divided by 5 instead of being multiplied by 5. Find the % change in the result due to this mistake.
a) 96% b) 95% c) 2400% d) None of these
8. Harsh wanted to subtract 5 from a number unfortunately; he added 5 instead of subtracting. Find the percentage change in the result?
a) 300% b) 66.66% c) 50% d) Cannot be determined
9. Last year, the Indian cricket team played 40 one – day cricket matched out of which they managed to win only 40%. This year, 50 for it has played some matches which has made it mandatory for it to win 80% of the remaining matches to maintain its existing winning percentage. Find the number of matches played by India so far this year.
a) 30 b) 25 c) 28 d) Insufficient information
10. A man buys a truck for Rs. 2,50,000. The annual repair cost comes to 2.0% of the price of purchase. Besides, he has to pay an annual tax of Rs. 2000/-. At what monthly rent must he rent out the truck to get a return of 15% on his net annual investment?
a) Rs. 3350 b) Rs. 2500 c) Rs. 4000 d) Rs. 3212.50
Average Questions
1. The average age of 24 students and the principal is 15 years. When the principals age is excluded, the average age decreases by 1 year. What is the age of the principal?
a) 38 b) 40 c) 39 d) Data inadequate
2. The average weight of 3 men, A, B, and C is 84 kg. Another man D joins the group and the average now becomes 80 kg. If another man E whose weight is 3 kg more than that of D replaces A than the average weight of B, C, D and E comes 78 kg. The weight of A is ?
a) 70 kg b) 72 kg c) 79 kg d) 78 kg
3. The mean temperature of Monday to Wednesday was 370 C, and of Tuesday to Thursday was 340 C. If the temperature on Thursday was 4/5 that of Monday, the temperature on Thursday was :
a) 380 C b) 360 C c) 400 C d) None of these
4. Three years ago, the average age of A, B and C was only years and that of B and C 5 years ago was 20 years. A's present age is :
a) 30 years b) 35 years c) 40 years d) 48 years
5. Ajit Tendulkar has a certain average for 9 innings. In the 10thy innings he scores 100 runs and there by increases his average by 8 runs. His new average is:
a) 20 b) 24 c) 28 d) 32
6. The average monthly expenditure of A family was Rs. 2750 for the first 3 months. Rs. 3150 for the next 3 months and Rs. 6750 for the next 3 months. Find the average income of the family for the 9 months. If they save Rs. 650 per month.
a) 4866.66 b) 5123.33 c) 4666.66 d) 4216.66
7. The average age of family of 6 members is 22 years. What was the youngest member be 7 years. What was the average age of the family at the birth of the youngest member?
a) 15 b) 18 c) 21 d) 12
8. The average age of 8 persons in a committee in increased by 2 years when two men aged 35 years and 45 years are substituted by two women. Find the average age of the two women:
a) 48 b) 45 c) 51 d) 42
9. Siddhartha has earned an average of 4200 dollars for the first eleven months of the year. If he justifies his staying on in the US on the basis of his ability to earn at least 5000 dollars per month for the entire years, how much should he earn (in dollars) in the last month to achieve his required average for the whole year?
a) 14600 b) 5800 c) 12,800 d) 13,800
10. A bus to Ranchi from Patna at the rate of 60 km. per hour. Another bus leaves Ranchi for Patna at the same time as the first bus at the rate of 70 km per hour. Find the average speed for the journeys of the two buses combined if it is known that the distance from Ranchi to Patna is 420 km.
a) 164.615 kmph b) 64.5 kmph
c) 63.832 km ph d) 64.82 kmph
Ratio and Proportion
1. Divide Rs. 1870 into three parts in such a way that half of the first part, one – third of the second part of one – sixth of the third part are equal:
a) 241, 343, 245 b) 400, 800, 670
c) 470, 640, 1160 d) None of these
2. Divide Rs. 500 among A, B, C and D so that A and B together get thrice as much as C and D together, B gets four times of what C gets and C gets 1.5 times as much as D. Now the value of what B gets is:
a) 300 b) 75 c) 125 d) None of these
3. In a mixture of 40 litres, the ration of milk and water is 4:1. How much water must be added to this mixture so that the ratio of milk and water become 2: 3?
a) 16 b) 32 c) 48 d) 64
4. A and B are two alloys of argentums and brass prepared by mixing metals in proportions 7 : 3 and 7 : 11 respectively. If equal quantities of the two alloys are melted to form a third alloy C, the proportion of argentums and brass in C will be :
a) 5 : 9 b) 5 : 7 c) 7 : 5 d) 19 : 5
5. If 30 men working 7 hours a day can do a piece of work in 18 days, in how many days will 21 men working 8 hours a day to the same work?
a) 24 days b) 22.5 days
c) 30 days d) 45 days
6. A, B, C enter into partnership. A contributes one – third of the whole capital while B contributes as much as A and C together contributes. If the profit as the end of the year is Rs. 84,000. How much would each receive?
a) 24000, 20000, 40000 b) 28000, 42000, 14000
c) 28000, 42000, 10000 d) 28000, 14000, 42000
7. If a, b, c and D are proportional, then the mean proportion between a2 + c2 , and b2 + d2 is:
a) ac/bd b) ab + cd c) a/b + d/c d) a2/ b2 + c2/ d2
8. Rs. 2250 is divided among three friends Amar, Bijoy and Chandra is such a way that 1/6th of Amar's share, 1/4th of Bijoy's share and 2/5th of Chandra's share are equal. Find Amar's share.
a) Rs. 720 b) Rs. 1080 c) Rs. 450 d) Rs. 1240
9. Three men rent a farm for Rs. 7000 per annum. A put 110 cows in the form for 3 months, B puts 110 cows for 6 months and C puts 440 cows for 3 months, what percentage of the total expenditure should a pay?
a) 20% b) 14.28% c) 16.66% d) 11.01%
10. A dishonest milkman mixed 1 litre of water for every 3 litres of milk, and thus made up 36 litres of milk. If we now adds 15 litres of milk to the mixture, find the ratio of milk and water in the new mixture:
a) 12 : 5 b) 14 : 3 c) 7 : 2 d) 9 : 4
Profit and Loss
1. A digital diary is sold for Rs. 935 at a profit of 10%. What would have been the actual profit or loss on it if it had been for Rs. 810?
a) Rs. 45 b) Rs. 40 c) Rs. 48 d) Rs. 50
2. A music system when sold for Rs. 4500 gives a loss of 16.66% to the merchang who sells it. Calaculate his loss or gains percent, if he sells it for Rs. 5703.75?
a) Loss of 5.625% b) Profit of 8.33%
c) Loss of 7% d) Profit of 5.625%
3. In order to maintain the price line, a trader allows a discount of 10% on the marked price of the goods in his shop. However, he still makes a gross profit of 17% on the cost price. Find the profit percent he would have made on the selling price had he sold at the marked price.
a) 23.07% b) 30% c) 21.21% d) 25%
4. A sold a table to B at a profit of 20%. B sold the same table to C for Rs. 75. Thereby making profit of 25%. Find the price at which A bought the table from X if it is known that X gained 25% in the transaction:
a) Rs. 30 b) Rs. 40 c) Rs. 50 d) Rs. 60
5. A color TV and VCP were sold for Rs. 12000 each. The TV was sold at a loss of 20% where as the VCP was sold at a loss of 20% where as the VCP was sold at a gain of 20%. Find the gain or loss in the whole transaction:
a) Rs. 12000 loss b) Rs. 1000 loss
c) Rs. 960 loss d) Rs. 1040 loss
6. A man sells a TV set for Rs. 3450 and makes a profit of 15%. He sells another TV at a loss of 10%. If on the whole, he neither gains nor losses, find the selling price of the 2nd TV set?
a) Rs. 4,000 b) Rs. 4,400 c) Rs. 4050 d) Rs. 4500
7. A shopkeeper buys an article for Rs. 400 and marks it for sele at a price that gives him 80% profit on cost. He however, gives a 15% discount on the marked price to his customer. Calcualte the actual percentage profit made by the shopkeeper:
a) 62% b) 64% c) 53% d) 54%
8. In the land of the famous milkman, Franklin, milkman sells is buffalo at Ra. 720 at some profit. Had be sod his buffalo at Rs. 510 the quantam of loss measured would have been double that the profit earned. What is the cost price?
a) Rs. 600 b) Rs. 625 c) Rs. 675 d) None of these
9. A trader purchases apples at Rs. 60 per hundred. He spends 15% on the transportation. What should be the selling price per hundred to earn a profit of 20%.
a) Rs. 72 b) Rs. 81.8 b) Rs. 82.8 d) 83.8
10. A dishonest dealer professes to sell at a cost price but uses a 900 gram weight instead of a 1 kilogram weight. Find the percent profit to the dealer:
a) 10% b) 11.11% c) 12.5% d) None of these
Time and Work
1. A and B undertake to do a price of work for Rs. 100. A can do it in 5 days and B can do it in 10 days. With the help of C, they finish it in 2 days. How much should C be paid for his contribution?
a) Rs. 40 b) Rs. 20 c) Rs. 60 d) Rs. 30
2. Raju can do a piece of work in 10 days, Vicky in twelve day, and Tinku in 15 days. They all start the work together but Raju leaves after 2 days and Vicky leaves 3 day before the work is completed. In how many days, his work is completed?
a) 5 days b) 6 days c) 7days d) 8 days
3. An engineer undertakes a profit to build a road 15 km. long in 300 days, and employs 45 men for the purpose after 100 days, he finds only 2, 5 km. of the road has been completed. Find the (approx) number of extra men be must employ to finish the work in time :
a) 43 b) 45 c) 55 d) 68
4. In a company XYZ ltd. a certain number of engineers can develop design in 40 days. If there were 5 more engineers, it could be finished in 10 days less. How many engineers were there in the beginning?
a) 18 b) 20 c) 25 d) 15
5. Ajay and Vijay undertake to do a piece of work for Rs. 200. Ajay alone can do it in 24 days while Vijay alone can do it in 30 days. With the help of Pradeep, they finish the work in 12 days. How much should Pradeep get for his work?
a) Rs. 20 b) Rs. 100 c) Rs. 180 d) Rs. 50
6. In a fort there was sufficient food for 200 soldiers for 31 days. After 27 days. 120 days will the rest of the food last for the remaining soldiers?
a) 12 days b) 10 days c) 8 days d) 16 days
7. Ashok and Mohan can do a piece of work in 12 days. Mohan and Binod together do it in 15 days. If Ashok is twice as good a workman as Binod. In how much time can Mohan alone do the work?
a) 15 days b) 20 days c) 25 days d) 35 days
8. Pipe A and B running together can fill a cistern in 6 minutes. If B takes 5 minutes more than A to fill the cistern, then the time in which A and B will fill the cistern separately will be respetively?
a) 15 min, 20 min b) 15 min, 90 min
c) 10 min, 15 min d) 25 min, 20 min
9. A certain job was assigned to a group of men to do it in 20 day. But 12 men did not turn up for the job and the remaining men did the job in 32 days. The original number of man in the group was :
a) 32 b) 34 c) 36 d) 40
10. Two taps are running continuously to fill tank. The 1st tap could have filled it in 5 hours y stself and the second one by itself could have filled it in 20 hours. But the operator failed to recline that there was a leak in the tank from the beginning which caused a delay of one hour in the filling of the tank. Find the time in which the leak would empty a filled tank.
a) 15 hours b) 20 hours c) 25 hours d) 40 hours
No comments:
Post a Comment