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. 35

B. 33

C. 34

D. 36

Answer: Option A

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? 5, 11, 19, 29, 41, ?

A. 53

B. 51

C. 55

D. 57

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Correct Answer: Option C

Explanation:
The differences are: 6, 8, 10, 12. These are increasing by 2. The next difference is 14. Therefore, 41+14=55.

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? 1, 5, 13, 29, ?

A. 63

B. 61

C. 57

D. 59

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Correct Answer: Option B

Explanation:
Each term is obtained by multiplying by 2 and adding 3. (1×2)+3=5, (5×2)+3=13, (13×2)+3=29. The next term is (29×2)+3=61.

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, 9, 17, 33, ?

A. 65

B. 69

C. 67

D. 63

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Correct Answer: Option A

Explanation:
Each term is obtained by multiplying by 2 and subtracting 1. (5×2)-1=9, (9×2)-1=17, (17×2)-1=33. The next term is (33×2)-1=65.

This question belongs to: Reasoning Number Series

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