Find the odd one out: 1, 8, 27, 64, 100 MCQ with Answer and Explanation

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Find the odd one out: 1, 8, 27, 64, 100

A. 64

B. 1

C. 100

D. 27

Answer: Option C

Solution (By JKSSB Mock Tests)

1, 8, 27 and 64 are perfect cubes, but 100 is not a perfect cube.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

What is the angle between the two hands of a clock at 4:20?

A. 30°

B. 10°

C. 20°

D. 40°

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Correct Answer: Option B

Explanation:
|30×4 − 5.5×20| = |120 − 110| = 10°.

This question belongs to: Reasoning Mental Reasoning

Question #2

Find the missing term: 6, 11, 21, 36, 56, ?

A. 71

B. 76

C. 81

D. 86

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Correct Answer: Option C

Explanation:
Differences: +5, +10, +15, +20, so next difference is +25: 56+25=81.

This question belongs to: Reasoning Mental Reasoning

Question #3

What is the angle between the hands of a clock at 3:15?

A. 15°

B. 7°

C. 7.5°

D. 0°

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Correct Answer: Option C

Explanation:
Hour hand moves 0.5° per minute: at 3:15 it is at 97.5°. Minute hand is at 90°. Difference = 7.5°.

This question belongs to: Reasoning Mental Reasoning

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