Find the odd one out: 8, 27, 64, 100, 125, 216, 343 MCQ with Answer and Explanation

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Find the odd one out: 8, 27, 64, 100, 125, 216, 343

A. 343

B. 100

C. 27

D. 125

Answer: Option B

Solution (By JKSSB Mock Tests)

All others are cubes (2³,3³,4³,5³,6³,7³) while 100 is not a cube.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

BDFH : EGIK :: JLNP : ?

A. MOQR

B. LNPR

C. MOQS

D. MOPR

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Correct Answer: Option C

Explanation:
Each letter is shifted 3 places forward. J+3=M, L+3=O, N+3=Q, P+3=S, so JLNP becomes MOQS.

This question belongs to: Reasoning Mental Reasoning

Question #2

3 : 27 :: 4 : ?

A. 60

B. 64

C. 48

D. 32

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Correct Answer: Option B

Explanation:
The relation is n^3. 3^3 = 27; therefore 4^3 = 64.

This question belongs to: Reasoning Mental Reasoning

Question #3

Statements: All tables are chairs. Some chairs are sofas. Conclusions: I. Some sofas are tables. II. Some chairs are tables.

A. Only II follows

B. Neither follows

C. Both follow

D. Only I follows

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Correct Answer: Option A

Explanation:
All tables are chairs ⇒ Some chairs are tables. Some chairs are sofas does not imply some sofas are tables. Only II.

This question belongs to: Reasoning Mental Reasoning

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