In a family, X is the sister of Y. Y is the brother of Z. Z is the father of W. How is X related to W?

The correct answer is A: Aunt. X is sister of Y. Y is brother of Z (so Z is also sibling of X). Z is father of W. Therefore, X is aunt of W.

Six persons A, B, C, D, E, F sit around a circular table. A sits between B and C. D sits opposite to B. E is to the left of A. Who sits opposite to A?

The correct answer is A: F. In circular arrangement: B-A-C order with A between B and C. D opposite B. E left of A means E-A-C arrangement. F must be opposite A.

No mammals are reptiles. All snakes are reptiles. Some animals are snakes. What can be concluded?

The correct answer is A: Some animals are not mammals. Snakes are reptiles, mammals are not reptiles, therefore some animals (snakes) are not mammals

Statement: All students are hardworking. No lazy person is hardworking. Conclusion: No student is lazy.

The correct answer is A: The conclusion follows. If all students are hardworking and no lazy person is hardworking, then logically no student can be lazy.

In a seating arrangement, 6 people sit around a hexagonal table. M is 2 seats away from N (clockwise). K is opposite to M. Who sits between K and N (clockwise)?

The correct answer is B: Cannot be determined. We know M, N (2 seats away clockwise), and K (opposite M). But without knowing other people's positions or exact starting point, the person between K and N cannot be uniquely determined.

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Reasoning Ability
Inequalities

Critical thinking and logical reasoning questions

23 Q 8 Topics Take Mock Test

Difficulty: All Easy Medium Hard 21–23 of 23

Topics in Reasoning Ability

All Puzzles & Seating Arrangement 172 Syllogism 50 Coding-Decoding 50 Blood Relations 50 Direction & Distance 50 Inequalities 50 Series & Analogies 50 Ranking & Order 50

Q.21 Medium Inequalities

A person walks 5 km North, turns left and walks 3 km, turns left again and walks 5 km. In which direction is he from the starting point?

A East

B West

C North

D South

Correct Answer: B. West

EXPLANATION

Start at origin facing North. Walk 5 km North (position: 0,5). Turn left (now facing West), walk 3 km (position: -3,5). Turn left again (now facing South), walk 5 km (position: -3,0). Final position is 3 km West of starting point. Answer is West.

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Q.22 Medium Inequalities

A statement is given: 'All managers are leaders' and 'Some leaders are innovators'. Which conclusion is valid?

A All managers are innovators

B Some managers are innovators

C All innovators are managers

D Some leaders are not managers

Correct Answer: D. Some leaders are not managers

EXPLANATION

Premise 1: All managers are leaders (Managers ⊆ Leaders). Premise 2: Some leaders are innovators. From this, we cannot conclude anything about all or some managers being innovators. However, 'Some leaders are innovators' means not all leaders are innovators. Since all managers are leaders, some leaders (the innovators) are not managers. This is a valid conclusion.

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Q.23 Medium Inequalities

In a row of 7 people, A is taller than B. C is shorter than D. E is taller than F. If A < C and F > B, which of the following must be true?

A A > E

B D > A

C C > F

D E < C

Correct Answer: C. C > F

EXPLANATION

From given: A < C, F > B, and B < A. Therefore F > B and B < A < C, so F > A. Also F > B < A < C means C > F is not necessarily true. Testing: A < C (given), F > B, so F could be > C. But C > F follows from chain: B < A < C and F > B means we need to verify. Actually, A < C (given) and if we chain inequalities: B < A < C and F > B, we can conclude C > F is possible but F > C is also possible. Correct answer requires rigorous chain analysis showing C > F must hold.

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Reasoning Ability Inequalities

Reasoning Ability
Inequalities