What will come in place of the question mark (?) in the following number series? 5, 9, 14, 20, 27, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 5, 9, 14, 20, 27, ?

A. 35

B. 33

C. 36

D. 34

Answer: Option A

Solution (By JKExamLibrary)

The differences are: 4, 5, 6, 7. The next difference is 8. Therefore, 27+8=35.

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, 22, 40, 62, 88, ?

A. 110

B. 118

C. 114

D. 108

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Correct Answer: Option B

Explanation:
The differences are: 14, 18, 22, 26. These are increasing by 4. The next difference is 30. Therefore, 88+30=118.

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, 4, 9, 16, ?

A. 25

B. 36

C. 30

D. 20

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Correct Answer: Option A

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 #3

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What will come in place of the question mark (?) in the following number series? 2, 12, 30, 56, ?

A. 100

B. 90

C. 110

D. 80

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Correct Answer: Option B

Explanation:
The pattern is: 1×2=2, 3×4=12, 5×6=30, 7×8=56. The next term is 9×10=90.

This question belongs to: Reasoning Number Series

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