What will come in place of the question mark (?) in the following number series? 4, 8, 14, 22, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 4, 8, 14, 22, ?

A. 28

B. 32

C. 30

D. 34

Answer: Option B

Solution (By JKSSB Mock Tests)

The differences are: 4, 6, 8. These are increasing by 2. The next difference is 10. Therefore, 22+10=32.

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? 1, 4, 9, 16, ?

A. 36

B. 20

C. 25

D. 30

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Correct Answer: Option C

Explanation:
The series consists of squares of consecutive integers: 1², 2², 3², 4². The next term is 5²=25.

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? 1, 5, 14, 30, 55, ?

A. 90

B. 85

C. 80

D. 91

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Correct Answer: Option D

Explanation:
The differences are: 4, 9, 16, 25. These are squares of consecutive integers: 2², 3², 4², 5². The next difference is 6²=36. Therefore, 55+36=91.

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? 8, 18, 32, 50, ?

A. 72

B. 74

C. 70

D. 68

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Correct Answer: Option A

Explanation:
The pattern is: 2×2²=8, 2×3²=18, 2×4²=32, 2×5²=50. The next term is 2×6²=72.

This question belongs to: Reasoning Number Series

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