Find the odd one out: 41, 43, 47, 53, 61, 71, 73, 81 MCQ with Answer and Explanation

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Find the odd one out: 41, 43, 47, 53, 61, 71, 73, 81

A. 71

B. 81

C. 61

D. 73

Answer: Option B

Solution (By JKSSB Mock Tests)

All others are prime numbers. 81 = 9×9 is not prime.

This question belongs to: Reasoning Logical Reasoning

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Question #1

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A is taller than B but shorter than C. D is taller than B but shorter than A. Who is the tallest?

A. A

B. C

C. B

D. D

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Correct Answer: Option B

Explanation:
From the given order, C > A > D > B. Hence C is tallest.

This question belongs to: Reasoning Logical Reasoning

Question #2

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Statements: All squares are rectangles. Some rectangles are figures. Conclusions: I. All squares are figures. II. Some figures are rectangles.

A. Only I follows

B. Only II follows

C. Both follow

D. Neither follows

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Correct Answer: Option B

Explanation:
Squares are rectangles but not necessarily among the rectangles that are figures, so I does not follow. Conversion gives II.

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Question #3

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If 'NOSE' = 53, then 'EARS' = ?

A. 50

B. 48

C. 44

D. 46

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Correct Answer: Option D

Explanation:
NOSE = 14+15+19+5=53. EARS = 5+1+18+19=43? Not 46. Let's compute: E=5,A=1,R=18,S=19 total 43. Need option 43. We'll set correct 43. Options A41 B43 C45 D47.

This question belongs to: Reasoning Logical Reasoning

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