Find the odd one: 121, 169, 289, 361, 529, 625 MCQ with Answer and Explanation

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Find the odd one: 121, 169, 289, 361, 529, 625

A. 625

B. 169

C. 361

D. 289

Answer: Option A

Solution (By JKSSB Mock Tests)

121=11², 169=13², 289=17², 361=19², 529=23² all squares of primes. 625=25² not prime.

This question belongs to: Reasoning Logical Reasoning

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Practice More Logical Reasoning Questions

Question #1

If 'VENUS' is coded as 'WFOVT', then 'PLUTO' is coded as ?

A. QMVUP

B. QMVTO

C. QNVUP

D. QMUVP

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Correct Answer: Option A

Explanation:
Each letter is shifted one place forward: P→Q, L→M, U→V, T→U, O→P = QMVUP.

This question belongs to: Reasoning Logical Reasoning

Question #2

X is the husband of Y. Z is the son of X. P is the brother of Z. How is P related to Y?

A. Uncle

B. Father

C. Brother

D. Son

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Correct Answer: Option D

Explanation:
Z and P are sons of X and Y. P is son of Y.

This question belongs to: Reasoning Logical Reasoning

Question #3

If 'DOOR' is written as 'CPPQ', then 'WINDOW' is written as ?

A. VHOCPV

B. VHMCNV

C. VHNCPV

D. VHMCOV

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Correct Answer: Option B

Explanation:
Each letter is shifted one place backward: W→V, I→H, N→M, D→C, O→N, W→V = VHMCNV.

This question belongs to: Reasoning Logical Reasoning

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