What will come in place of the question mark (?) in the following number series? 5, 12, 21, 32, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 5, 12, 21, 32, ?

A. 43

B. 47

C. 45

D. 41

Answer: Option C

Solution (By JKSSB Mock Tests)

The differences are: 7, 9, 11. These are increasing by 2. The next difference is 13. Therefore, 32+13=45.

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? 7, 11, 17, 25, ?

A. 39

B. 35

C. 37

D. 33

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Correct Answer: Option B

Explanation:
The differences are: 4, 6, 8. These are increasing by 2. The next difference is 10. Therefore, 25+10=35.

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? 5, 9, 14, 20, 27, ?

A. 34

B. 35

C. 33

D. 36

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Correct Answer: Option B

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

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? 0, 7, 26, 63, ?

A. 126

B. 124

C. 127

D. 125

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Correct Answer: Option B

Explanation:
The pattern is: 1³-1=0, 2³-1=7, 3³-1=26, 4³-1=63. The next term is 5³-1=124.

This question belongs to: Reasoning Number Series

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