Find the missing term: 2, 6, 12, 20, 30, 42, ? MCQ with Answer and Explanation

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Find the missing term: 2, 6, 12, 20, 30, 42, ?

A. 56

B. 54

C. 50

D. 64

Answer: Option A

Solution (By JKSSB Mock Tests)

Pattern n(n+1): 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, 6×7=42, so next is 7×8=56.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

Find the missing term: 1, 2, 4, 7, 11, ?

A. 16

B. 15

C. 14

D. 17

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Correct Answer: Option A

Explanation:
Differences: +1, +2, +3, +4, so next difference is +5: 11+5=16.

This question belongs to: Reasoning Mental Reasoning

Question #2

A, B, C, D, E, F and G are sitting in a row facing North. C is to the immediate right of D. F is fourth to the left of G. B is between A and F. E is between C and G. Who is sitting in the middle?

A. B

B. D

C. E

D. C

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Correct Answer: Option C

Explanation:
From clues: possible arrangement A B F D C E G or similar. Middle is 4th position. One valid is A B F D C E G → D in middle.

This question belongs to: Reasoning Mental Reasoning

Question #3

Find the missing term: 2, 4, 8, 16, 32, ?

A. 72

B. 64

C. 56

D. 48

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Correct Answer: Option B

Explanation:
Each term is double the previous term: 32×2=64.

This question belongs to: Reasoning Mental Reasoning

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