Find the missing term: 1, 2, 6, 24, ? MCQ with Answer and Explanation

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Find the missing term: 1, 2, 6, 24, ?

A. 120

B. 60

C. 110

D. 96

Answer: Option A

Solution (By JKSSB Mock Tests)

The terms are factorials: 1!=1, 2!=2, 3!=6, 4!=24, so next is 5!=120.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

Find the odd one out: 7, 14, 21, 24, 28

A. 21

B. 24

C. 7

D. 28

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Correct Answer: Option B

Explanation:
7, 14, 21 and 28 are multiples of 7, but 24 is not.

This question belongs to: Reasoning Mental Reasoning

Question #2

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

A. 550

B. 565

C. 555

D. 560

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Correct Answer: Option B

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

If CAT is coded as DBU, how is DOG coded?

A. FPH

B. EPI

C. EQH

D. EPH

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Correct Answer: Option D

Explanation:
Each letter is shifted forward by 1: C→D, A→B, T→U; therefore D→E, O→P, G→H, giving EPH.

This question belongs to: Reasoning Mental Reasoning

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