What will come in place of the question mark (?) in the following number series? 12, 24, 48, 96, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 12, 24, 48, 96, ?

A. 144

B. 192

C. 168

D. 216

Answer: Option B

Solution (By JKExamLibrary)

Each term is multiplied by 2. Therefore, 96×2=192.

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? 6, 11, 18, 27, 38, ?

A. 47

B. 49

C. 53

D. 51

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Correct Answer: Option D

Explanation:
The differences are: 5, 7, 9, 11. These are consecutive odd numbers. The next difference is 13. Therefore, 38+13=51.

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, 9, 16, 25, 36, ?

A. 56

B. 42

C. 49

D. 44

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Correct Answer: Option C

Explanation:
The series consists of squares of consecutive integers: 2², 3², 4², 5², 6². The next term is 7²=49.

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? 10, 17, 26, 37, ?

A. 50

B. 49

C. 51

D. 48

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Correct Answer: Option A

Explanation:
The differences are: 7, 9, 11. These are increasing by 2. The next difference is 13. Therefore, 37+13=50.

This question belongs to: Reasoning Number Series

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