What will come in place of the question mark (?) in the following number series? 7, 14, 28, 56, 112, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 7, 14, 28, 56, 112, ?

A. 224

B. 168

C. 252

D. 196

Answer: Option A

Solution (By JKExamLibrary)

Each term is multiplied by 2. Therefore, 112×2=224.

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? 0, 7, 26, 63, ?

A. 124

B. 126

C. 125

D. 127

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Correct Answer: Option A

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

Question #2

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What will come in place of the question mark (?) in the following number series? 3, 5, 8, 12, 17, ?

A. 22

B. 21

C. 23

D. 24

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Correct Answer: Option C

Explanation:
The differences are: 2, 3, 4, 5. The next difference is 6. Therefore, 17+6=23.

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? 41, 43, 47, 53, 59, ?

A. 65

B. 64

C. 61

D. 67

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Correct Answer: Option C

Explanation:
The series consists of consecutive prime numbers. The prime number immediately following 59 is 61.[reference:4]

This question belongs to: Reasoning Number Series

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