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

A. 84

B. 112

C. 126

D. 98

Answer: Option B

Solution (By JKSSB Mock Tests)

Each term is multiplied by 2. Therefore, 56×2=112.

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, 16, 30, 48, 70, ?

A. 92

B. 94

C. 96

D. 90

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Correct Answer: Option C

Explanation:
The differences are: 10, 14, 18, 22. These are increasing by 4. The next difference is 26. Therefore, 70+26=96.

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? 24, 30, 36, 42, ?

A. 54

B. 60

C. 48

D. 50

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Correct Answer: Option C

Explanation:
The series increases by 6 each time. Therefore, 42+6=48.

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, 13, 27, 45, 67, ?

A. 85

B. 87

C. 93

D. 89

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Correct Answer: Option C

Explanation:
The differences are: 10, 14, 18, 22. These are increasing by 4. The next difference is 26. Therefore, 67+26=93.

This question belongs to: Reasoning Number Series

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