Find the odd one out: 27, 64, 100, 125, 216 MCQ with Answer and Explanation

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Find the odd one out: 27, 64, 100, 125, 216

A. 100

B. 216

C. 64

D. 27

Answer: Option A

Solution (By JKSSB Mock Tests)

All others are perfect cubes (3³, 4³, 5³, 6³); 100 is not a cube.

This question belongs to: Reasoning Mental Reasoning

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Question #1

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Statements: Some books are novels. All novels are magazines. Conclusions: I. Some books are magazines. II. All magazines are novels.

A. Only II follows

B. Both follow

C. Neither follows

D. Only I follows

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Correct Answer: Option D

Explanation:
Some books are novels and all novels are magazines ⇒ Some books are magazines. All magazines are novels does not follow. Only I.

This question belongs to: Reasoning Mental Reasoning

Question #2

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Find the odd one out: 10, 20, 30, 45, 50

A. 30

B. 45

C. 50

D. 20

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Correct Answer: Option B

Explanation:
All others are exact multiples of 10; 45 is not divisible by 10.

This question belongs to: Reasoning Mental Reasoning

Question #3

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A clock shows 8:20. What is the angle between its hands?

A. 110°

B. 130°

C. 140°

D. 120°

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Correct Answer: Option B

Explanation:
Hour hand = 8×30 + 20×0.5 = 250°, minute hand = 120°, difference = 130°.

This question belongs to: Reasoning Mental Reasoning

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