What will come in place of the question mark (?) in the following number series? 2, 5, 10, 17, 26, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 2, 5, 10, 17, 26, ?

A. 38

B. 37

C. 35

D. 36

Answer: Option B

Solution (By JKSSB Mock Tests)

The pattern is: 1²+1=2, 2²+1=5, 3²+1=10, 4²+1=17, 5²+1=26. The next term is 6²+1=37.

This question belongs to: Reasoning Number Series

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Question #1

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What will come in place of the question mark (?) in the following number series? 8, 16, 24, 32, ?

A. 36

B. 40

C. 42

D. 38

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Correct Answer: Option B

Explanation:
The series increases by 8 each time. Therefore, 32+8=40.

This question belongs to: Reasoning Number Series

Question #2

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What will come in place of the question mark (?) in the following number series? 2, 4, 12, 48, 240, ?

A. 1440

B. 1080

C. 1200

D. 960

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Correct Answer: Option A

Explanation:
The pattern is: 2×2=4, 4×3=12, 12×4=48, 48×5=240. The multipliers are increasing by 1. The next multiplier is 6. Therefore, 240×6=1440.

This question belongs to: Reasoning Number Series

Question #3

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What will come in place of the question mark (?) in the following number series? 6, 9, 13, 18, ?

A. 25

B. 24

C. 22

D. 23

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Correct Answer: Option B

Explanation:
The differences are: 3, 4, 5. The next difference is 6. Therefore, 18+6=24.

This question belongs to: Reasoning Number Series

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