What will come in place of the question mark (?) in the following number series? 8, 16, 24, 32, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 8, 16, 24, 32, ?

A. 42

B. 38

C. 36

D. 40

Answer: Option D

Solution (By JKSSB Mock Tests)

The series increases by 8 each time. Therefore, 32+8=40.

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. 90

D. 96

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Correct Answer: Option D

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? 3, 8, 18, 38, 78, ?

A. 152

B. 148

C. 158

D. 156

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Correct Answer: Option C

Explanation:
Each term is obtained by multiplying by 2 and adding 2. (3×2)+2=8, (8×2)+2=18, (18×2)+2=38, (38×2)+2=78. The next term is (78×2)+2=158.

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? 5, 8, 12, 17, ?

A. 24

B. 22

C. 23

D. 21

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Correct Answer: Option C

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

This question belongs to: Reasoning Number Series

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