What will come in place of the question mark (?) in the following number series? 5, 9, 14, 20, 27, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 5, 9, 14, 20, 27, ?

A. 36

B. 34

C. 33

D. 35

Answer: Option D

Solution (By JKSSB Mock Tests)

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

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? 3, 8, 18, 38, ?

A. 78

B. 84

C. 80

D. 82

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Correct Answer: Option A

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

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? 2, 6, 11, 17, ?, 32

A. 23

B. 24

C. 28

D. 22

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Correct Answer: Option B

Explanation:
The differences are: 4, 5, 6, 7, 8. The missing term is 17+7=24.[reference:16]

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? 9, 16, 25, 36, ?

A. 49

B. 64

C. 81

D. 42

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Correct Answer: Option A

Explanation:
The series consists of squares of consecutive integers starting from 3: 3², 4², 5², 6². The next term is 7²=49.

This question belongs to: Reasoning Number Series

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