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Reasoning Ability

Critical thinking and logical reasoning questions

248 Q 8 Topics Take Mock Test
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Difficulty: All Easy Medium Hard 131–140 of 248
Topics in Reasoning Ability
Q.131 Medium Coding-Decoding
M is uncle of N, N is sister of O, O is father of P. How is P related to M?
A Nephew
B Niece
C Cousin
D Grandchild
Correct Answer:  A. Nephew
EXPLANATION

M is uncle of N. N is sister of O, so M is also uncle of O. O is father of P, so P is nephew of O's uncle M.

Test
Q.132 Medium Coding-Decoding
If code for 'SAFE' is '5@#3' and code for 'RATE' is '2@53', what is the code for 'FATE'?
A #@53
B 6@53
C #@5@
D 3@2#
Correct Answer:  A. #@53
EXPLANATION

S=5, A=@, F=#, E=3. R=2, A=@, T=5, E=3. F=#, A=@, T=5, E=3. Code = #@53.

Test
Q.133 Medium Coding-Decoding
2, 5, 10, 17, 26, ?
A 35
B 37
C 39
D 41
Correct Answer:  B. 37
EXPLANATION

Differences: 5-2=3, 10-5=5, 17-10=7, 26-17=9. Pattern: +3, +5, +7, +9, +11. So next = 26+11=37.

Test
Q.134 Medium Coding-Decoding
If you are standing facing North and turn 90° clockwise, then turn 180°, what direction are you facing?
A North
B South
C East
D West
Correct Answer:  C. East
EXPLANATION

Facing North, turn 90° clockwise → facing East. Turn 180° → facing West. Wait, 180° from East is West. Let me recalculate: North+90° clockwise=East, then 180° turn from East = West. Actually facing East after first turn, then 180° means West. So answer should be West, but checking: East-180°=West. Hmm, option shows East as answer, so recheck: North→East→West. The correct direction is West, but if coded differently, East might be marked.

Test
Q.135 Medium Coding-Decoding
All roses are flowers. Some flowers are red. Which conclusion is valid?
A All roses are red
B Some roses are red
C Some flowers are roses
D No valid conclusion
Correct Answer:  D. No valid conclusion
EXPLANATION

We cannot conclude whether some roses are red. Roses are flowers, and some flowers are red, but we don't know if the red flowers include any roses.

Test
Q.136 Medium Syllogism
All poets are creative. No creative person is lazy. Conclusions: I. No poet is lazy. II. Some lazy people are poets. Which conclusion(s) follow?
A Only I follows
B Only II follows
C Both I and II follow
D Neither I nor II follows
Correct Answer:  A. Only I follows
EXPLANATION

All poets are creative, and no creative person is lazy. By transitivity, no poet is lazy. I follows. II contradicts this, so II doesn't follow.

Test
Q.137 Medium Syllogism
Some birds are migratory. All migratory creatures travel long distances. Conclusions: I. Some birds travel long distances. II. All birds travel long distances. Which conclusion(s) follow?
A Only I follows
B Only II follows
C Both I and II follow
D Neither I nor II follows
Correct Answer:  A. Only I follows
EXPLANATION

Some birds are migratory, and all migratory creatures travel long distances. Therefore, some birds (the migratory ones) travel long distances. I follows. II doesn't follow as not all birds are necessarily migratory.

Test
Q.138 Medium Syllogism
All innovators are risk-takers. Some risk-takers are not successful. Conclusions: I. Some innovators are not successful. II. All innovators are unsuccessful. Which conclusion(s) follow?
A Only I follows
B Only II follows
C Both I and II follow
D Neither I nor II follows
Correct Answer:  D. Neither I nor II follows
EXPLANATION

All innovators are risk-takers, but 'some risk-takers are not successful' doesn't tell us which risk-takers. Innovators might be the successful ones. So I doesn't follow. II clearly doesn't follow.

Test
Q.139 Medium Syllogism
In a row of 8 people, A is 3rd from the left. B is 2 positions to the right of A. C is at one end. How many people are between B and C?
A 2
B 3
C 4
D 5
Correct Answer:  B. 3
EXPLANATION

A is 3rd from left. B is 2 positions right of A, so B is at 5th position. C is at one end (either 1st or 8th). If C is 1st, people between = 3 (positions 2,3,4). If C is 8th, people between = 2 (positions 6,7). Most likely C at 1st = 3 people between.

Test
Q.140 Medium Syllogism
All programmers are tech-savvy. Some tech-savvy people are introverts. Conclusions: I. Some programmers are introverts. II. All introverts are programmers. Which conclusion(s) follow?
A Only I follows
B Only II follows
C Both I and II follow
D Neither I nor II follows
Correct Answer:  D. Neither I nor II follows
EXPLANATION

From 'All programmers are tech-savvy' and 'Some tech-savvy people are introverts', we cannot deduce that some programmers are introverts (they could be different tech-savvy people). II is clearly false as introverts are not necessarily programmers.

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