What will come in place of the question mark (?) in the following number series? 5, 11, 19, 29, 41, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 5, 11, 19, 29, 41, ?

A. 53

B. 51

C. 57

D. 55

Answer: Option D

Solution (By JKSSB Mock Tests)

The differences are: 6, 8, 10, 12. These are increasing by 2. The next difference is 14. Therefore, 41+14=55.

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? 4, 10, 20, 34, ?

A. 52

B. 54

C. 48

D. 50

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Correct Answer: Option A

Explanation:
The differences are: 6, 10, 14. These are increasing by 4. The next difference is 18. Therefore, 34+18=52.

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? 8, 16, 24, 32, ?

A. 42

B. 40

C. 38

D. 36

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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 #3

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What will come in place of the question mark (?) in the following number series? 3, 9, 19, 33, 51, ?

A. 69

B. 71

C. 67

D. 73

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Correct Answer: Option B

Explanation:
The differences are: 6, 10, 14, 18. These are increasing by 4. The next difference is 22. Therefore, 51+22=73.

This question belongs to: Reasoning Number Series

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