Find the missing term: 2, 3, 5, 8, 13, ? MCQ with Answer and Explanation

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Find the missing term: 2, 3, 5, 8, 13, ?

A. 18

B. 21

C. 19

D. 20

Answer: Option B

Solution (By JKSSB Mock Tests)

Each term is the sum of the previous two: 2+3=5, 3+5=8, 5+8=13, so 8+13=21.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

BDFH : EGIK :: JLNP : ?

A. LNPR

B. MOQS

C. MOPR

D. MOQR

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Correct Answer: Option B

Explanation:
Each letter is shifted 3 places forward. J+3=M, L+3=O, N+3=Q, P+3=S, so JLNP becomes MOQS.

This question belongs to: Reasoning Mental Reasoning

Question #2

Complete the series: Z, X, U, Q, L, ?

A. H

B. F

C. E

D. G

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Correct Answer: Option B

Explanation:
Differences: −2, −3, −4, −5, −6. L−6=F.

This question belongs to: Reasoning Mental Reasoning

Question #3

What is the angle between the hands of a clock at 3:15?

A. 7.5°

B. 7°

C. 15°

D. 0°

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Correct Answer: Option A

Explanation:
Hour hand moves 0.5° per minute: at 3:15 it is at 97.5°. Minute hand is at 90°. Difference = 7.5°.

This question belongs to: Reasoning Mental Reasoning

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