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

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

A. 44

B. 42

C. 46

D. 40

Answer: Option B

Solution (By JKSSB Mock Tests)

Differences are +4, +6, +8, +10; next difference is +12. 30+12=42.

This question belongs to: Reasoning Logical Reasoning

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Practice More Logical Reasoning Questions

Question #1

Statements: Some A are B. Some B are C. Conclusions: I. Some A are C. II. Some C are B.

A. Only I follows

B. Neither follows

C. Both follow

D. Only II follows

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Correct Answer: Option D

Explanation:
No definite relation is established between A and C, so I does not follow. Conversion of 'Some B are C' gives II.

This question belongs to: Reasoning Logical Reasoning

Question #2

If 'CELL' is coded as 'DFMM', then 'PHONE' is coded as ?

A. QIPOG

B. QIOQF

C. QIPOF

D. QJPOF

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Correct Answer: Option C

Explanation:
Each letter is shifted one place forward: P→Q, H→I, O→P, N→O, E→F = QIPOF.

This question belongs to: Reasoning Logical Reasoning

Question #3

If 'DONKEY' is coded as 'EPOLFZ', then 'HEN' is coded as ?

A. IGO

B. IEO

C. IFP

D. IFO

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Correct Answer: Option D

Explanation:
Each letter is shifted one place forward: H→I, E→F, N→O = IFO.

This question belongs to: Reasoning Logical Reasoning

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