What will come in place of the question mark (?) in the following number series? 10, 13, 18, 25, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 10, 13, 18, 25, ?

A. 36

B. 34

C. 32

D. 38

Answer: Option B

Solution (By JKExamLibrary)

The differences are: 3, 5, 7. These are consecutive odd numbers. The next difference is 9. Therefore, 25+9=34.

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? 9, 10, 12, 15, 19, ?

A. 24

B. 22

C. 23

D. 25

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Correct Answer: Option A

Explanation:
The differences are: 1, 2, 3, 4. The next difference is 5. Therefore, 19+5=24.

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? 4, 10, 20, 34, ?

A. 52

B. 48

C. 50

D. 54

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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 #3

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What will come in place of the question mark (?) in the following number series? 3, 10, 21, 36, ?

A. 53

B. 55

C. 57

D. 51

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Correct Answer: Option B

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

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