What will come in place of the question mark (?) in the following number series? 3, 8, 15, 24, 35, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 3, 8, 15, 24, 35, ?

A. 46

B. 50

C. 48

D. 52

Answer: Option C

Solution (By JKExamLibrary)

The differences are: 5, 7, 9, 11. These are consecutive odd numbers. The next difference is 13. Therefore, 35+13=48.

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? 3, 10, 21, 36, ?

A. 55

B. 51

C. 57

D. 53

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Correct Answer: Option A

Explanation:
The differences are: 7, 11, 15. These are increasing by 4. The next difference is 19. Therefore, 36+19=55.

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? 3, 7, 13, 21, 31, ?

A. 45

B. 41

C. 43

D. 39

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Correct Answer: Option C

Explanation:
The differences are: 4, 6, 8, 10. These are increasing by 2. The next difference is 12. Therefore, 31+12=43.

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? 20, 18, 15, 11, ?

A. 8

B. 6

C. 7

D. 5

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Correct Answer: Option B

Explanation:
The differences are: -2, -3, -4. The next difference is -5. Therefore, 11-5=6.

This question belongs to: Reasoning Number Series

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