Find the missing number: 4, 9, 16, 25, 36, ? MCQ with Answer and Explanation

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Find the missing number: 4, 9, 16, 25, 36, ?

A. 48

B. 47

C. 50

D. 49

Answer: Option D

Solution (By JKSSB Mock Tests)

Squares of consecutive numbers: 2²,3²,4²,5²,6²,7²=49.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

Find the missing term: 10, 20, 40, 70, 110, ?

A. 140

B. 150

C. 160

D. 170

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Correct Answer: Option C

Explanation:
Differences are +10, +20, +30, +40, so next difference is +50: 110+50=160.

This question belongs to: Reasoning Mental Reasoning

Question #2

Find the missing term in the series: 2, 3, 8, 27, 112, ?

A. 560

B. 550

C. 555

D. 565

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Correct Answer: Option D

Explanation:
Pattern: 2×1+1=3, 3×2+2=8, 8×3+3=27, 27×4+4=112, 112×5+5=565.

This question belongs to: Reasoning Mental Reasoning

Question #3

Statements: Some boys are students. All students are readers. Conclusions: I. Some readers are boys. II. Some boys are not readers. III. All boys are readers. Which conclusion follows?

A. Only I

B. Only II

C. Only III

D. None

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Correct Answer: Option A

Explanation:
Some boys are students and all students are readers, so those boys are readers. Hence some readers are boys follows.

This question belongs to: Reasoning Mental Reasoning

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