Find the next number in the series: 2, 6, 12, 20, 30, 42, ? MCQ with Answer and Explanation

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Find the next number in the series: 2, 6, 12, 20, 30, 42, ?

A. 52

B. 50

C. 60

D. 56

Answer: Option D

Solution (By JKSSB Mock Tests)

Differences are +4, +6, +8, +10, +12; next difference is +14. 42+14=56.

This question belongs to: Reasoning Logical Reasoning

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Practice More Logical Reasoning Questions

Question #1

If 'NORTH' is coded as 'OPSUI', then 'SOUTH' is coded as ?

A. TPVUI

B. TPVTI

C. TPWUI

D. TPVUJ

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Correct Answer: Option A

Explanation:
Each letter is shifted one place forward: S→T, O→P, U→V, T→U, H→I = TPVUI.

This question belongs to: Reasoning Logical Reasoning

Question #2

If KAMAL = 38, then NEHA = ?

A. 32

B. 28

C. 30

D. 26

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Correct Answer: Option B

Explanation:
KAMAL = 11+1+13+1+12=38. NEHA = 14+5+8+1=28.

This question belongs to: Reasoning Logical Reasoning

Question #3

If SUN is coded as TVO, then MOON is coded as ?

A. NPOP

B. NQQP

C. NOPP

D. NPPO

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Correct Answer: Option D

Explanation:
Each letter is shifted one place forward: M→N, O→P, O→P, N→O = NPPO.

This question belongs to: Reasoning Logical Reasoning

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