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

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

A. 42

B. 40

C. 44

D. 46

Answer: Option A

Solution (By JKSSB Mock Tests)

The pattern is n(n+1): 1×2=2, 2×3=6, 3×4=12, 4×5=20, 5×6=30, so the next term is 6×7=42.

This question belongs to: Reasoning Mental Reasoning

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Question #1

Find the missing term: 240, 120, 60, 30, ?

A. 15

B. 5

C. 20

D. 10

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Correct Answer: Option A

Explanation:
Each term is divided by 2: 30÷2=15.

This question belongs to: Reasoning Mental Reasoning

Question #2

In a code, CRICKET is coded as DSJDLFU. How is HOCKEY coded?

A. IPEKFZ

B. IPDLFY

C. IPDLFZ

D. IQDLFZ

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Correct Answer: Option C

Explanation:
Each letter is shifted 1 place forward. H+1=I, O+1=P, C+1=D, K+1=L, E+1=F, Y+1=Z.

This question belongs to: Reasoning Mental Reasoning

Question #3

If P denotes ÷, Q denotes ×, R denotes + and S denotes −, then 18 Q 12 P 4 R 5 S 6 = ?

A. 53

B. 63

C. 65

D. 59

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Correct Answer: Option A

Explanation:
18 × 12 ÷ 4 + 5 − 6 = 18 × 3 + 5 − 6 = 54 + 5 − 6 = 53.

This question belongs to: Reasoning Mental Reasoning

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