The magazine on science is published by
- (a)Aryan Publishers
- (b)Bharat Publishers
- (c)Charan Publishers
- (d)Dev Publishers
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Official answer(c) Charan Publishers
Logical Reasoning & Puzzles
70 questions in Science & Technology.
Asked in 2004, 2003, 2001, 2000, 1999, 1998
The magazine on sports is
- (a)Edited by Feroz
- (b)Edited by Gurbakhsh
- (c)Published by Bharat Publishers
- (d)Published by Charan Publishers
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Official answer(a) Edited by Feroz
The magazine on films is
- (a)Published by Dev Publishers
- (b)Published by Bharat Publishers
- (c)Edited by Gurbakhsh
- (d)Published by Charan Publishers
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Official answer(b) Published by Bharat Publishers
The magazine on politics is
- (a)Edited by Ila
- (b)Edited by Gurbakhsh
- (c)Published by Dev Publishers
- (d)Published by Charan Publishers
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Official answer(b) Edited by Gurbakhsh
Four different candles, which can last for 5 hours, 4 hours, 3 hours and 2 hours of burning, respectively, are lit in a room at the same instant and allowed to burn till such time that the three candles in the room get extinguished. The cost of burning each one of these candles is 75 paise per hour. The cost involved is:
- (a)Rs. 2.75
- (b)Rs. 3.75
- (c)Rs. 9.75
- (d)Rs. 12.50
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Official answer(c) Rs. 9.75
Most guitarists are bearded males. If A represents all males, B represents bearded males and C represents all male guitarists, then the correct diagram for their relation (shaded portion) is
- (a)diagram (a)
- (b)diagram (b)
- (c)diagram (c)
- (d)diagram (d)
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Official answer(a) diagram (a)
Anand must be a vegetarian because he is a Buddhist. The argument assumes that
- (a)most Buddhists are vegetarians
- (b)all Buddhists are vegetarians
- (c)only Buddhists are vegetarians
- (d)most vegetarians are Buddhists
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Official answer(b) all Buddhists are vegetarians
Consider the following pictures of a dice: What is the number opposite of 3?
- (a)1
- (b)4
- (c)5
- (d)Data insufficient
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Official answer(b) 4
Examine the following relationships among members of a family of six persons A, B, C, D, E and F. I. The number of males equals that of females. II. A and E are sons of F. III. D is the mother of two, one boy and one girl. IV. B is the son of A. V. There is only one married couple in the family at present. Which one of the following inferences can be drawn from the above?
- (a)A, B and C are all females
- (b)A is the husband of D
- (c)E and F are children of D
- (d)D is the grand-daughter of F
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Official answer(c) E and F are children of D
The given diagram shows the number of students who failed in an examination comprising papers in English, Hindi and Mathematics. The total number of students who took the test is 500. What is the percentage of students who failed in at least two subjects? The original diagram is not available for this question.
- (a)6.8
- (b)7.8
- (c)34
- (d)39
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Official answer(b) 7.8
In a certain code, MARCH is written as OCTEJ. How is RETURN written in that code?
- (a)TFUVSM
- (b)QGSTQM
- (c)TGWTP
- (d)TGRVSO
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Official answer(d) TGRVSO
A, B, C, D, E and F, not necessarily in that order, are sitting in six chairs regularly placed around a round table. It is observed that A is between D and F. C is opposite D. D and E are not on neighbouring chairs. Which one of the following must be true?
- (a)A is opposite B
- (b)D is opposite E
- (c)C and B are neighbours
- (d)B and E are neighbours
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Official answer(d) B and E are neighbours
A club has 108 members. Two-thirds of them are men and the rest are women. All members are married except for 9 women members. How many married women are there in the club?
- (a)20
- (b)24
- (c)27
- (d)30
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Official answer(c) 27
The following figure represents time vs. learning curves of two students, Q and R, for learning a Mathematics lesson. Which one of the following inferences can be drawn from the graph?
- (a)R started slowly in the beginning but got ahead of Q to complete learning the lesson
- (b)Q started slowly and finished learning the lesson earlier than R
- (c)R was always faster than Q in learning Mathematics
- (d)Q was always faster than R in learning Mathematics
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Official answer(b) Q started slowly and finished learning the lesson earlier than R
A person starts from a point A and travels 3 km eastwards to B and then turns left and travels thrice that distance to reach C. He again turns left and travels five times the distance he covered between A and B and reaches his destination D. The shortest distance between the starting point and destination is
- (a)18 km
- (b)16 km
- (c)15 km
- (d)12 km
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Official answer(c) 15 km
On another planet, the local terminology for earth, water, light, air and sky are ‘sky’, ‘light’, ‘air’, ‘water’ and ‘earth’ respectively. If someone is thirsty there, what would he drink?
- (a)Sky
- (b)Water
- (c)Air
- (d)Light
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Official answer(d) Light
In a code language, ‘SOLID’ is written as “WPSLIMFHA’. What does the code word ‘ATEXXQIBVO’ refer to?
- (a)EAGER
- (b)WAFER
- (c)WAGER
- (d)WATER
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Official answer(d) WATER
In a group of five people—K, L and M are ambitious; M, N and R are honest; L, M and N are intelligent and K, N and R are industrious. Among these, neither industrious nor ambitious person(s) would include
- (a)K alone
- (b)L and R
- (c)M and N
- (d)None in the group
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Official answer(d) None in the group
Examine the following three statements: I. Processed meat is a perishable food. II. All perishable foods are packed in sealed tins. III. Sealed tins sometimes do not contain processed meat. Which one of the following inferences can be drawn from the above statements?
- (a)Sealed tins always contain perishable food
- (b)Processed meat is sometimes not packed in sealed tins
- (c)Processed meat is always packed in sealed tins
- (d)Non-perishable foods are never packed in sealed tins
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Official answer(c) Processed meat is always packed in sealed tins
Which one of the following satisfies the relationship D d a : a D D :: R r b : ?
- (a)D D A
- (b)R R R
- (c)b R R
- (d)B B r
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Official answer(c) b R R
A, B, C, D, E and F, not necessarily in that order, are sitting on six chairs regularly placed around a round table. It is observed that A is between D and F, C is opposite D, and D and E are not on neighbouring chairs. Which one of the following pairs must be sitting on neighbouring chairs?
- (a)A and B
- (b)C and E
- (c)B and F
- (d)A and C
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Official answer(b) C and E
If in a certain code SAND is VDQG and BIRD is ELUG, then what is the code for LOVE?
- (a)PRYG
- (b)ORTG
- (c)NPUH
- (d)ORYH
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Official answer(d) ORYH
The missing fraction in the series given below is:
- (a)17/40
- (b)19/42
- (c)20/45
- (d)29/5
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Official answer(b) 19/42
In the set of figures (I) to (IV), some parts are shown to change their position in a regular direction. Following the same sequence, which one of the following will appear at the fifth stage?
- (a)figure (a)
- (b)figure (b)
- (c)figure (c)
- (d)figure (d)
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Official answer(c) figure (c)
Examine the following statements: I. All members of Mohan’s family are honest. II. Some members of Mohan’s family are not employed. III. Some employed persons are not honest. IV. Some honest persons are not employed. Which of the following inferences can be drawn from the above statements?
- (a)All members of Mohan’s family are employed
- (b)The employed members of Mohan’s family are honest
- (c)The honest members of Mohan’s family are not employed
- (d)The employed members of Mohan’s family are not honest
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Official answer(b) The employed members of Mohan’s family are honest