What will come in place of the question mark (?) in the following number series? 14, 21, 28, 35, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 14, 21, 28, 35, ?

A. 40

B. 45

C. 42

D. 41

Answer: Option C

Solution (By JKExamLibrary)

The series increases by 7 each time. Therefore, 35+7=42.

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? 1, 2, 5, 14, ?

A. 41

B. 42

C. 43

D. 44

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Correct Answer: Option A

Explanation:
Each term is obtained by multiplying by 3 and subtracting 1. (1×3)-1=2, (2×3)-1=5, (5×3)-1=14. The next term is (14×3)-1=41.

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, 8, 27, 64, ?

A. 121

B. 216

C. 125

D. 100

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Correct Answer: Option C

Explanation:
The series consists of cubes of consecutive integers: 1³, 2³, 3³, 4³. The next term is 5³=125.

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, 4, 7, 11, 18, ?

A. 31

B. 29

C. 27

D. 33

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Correct Answer: Option B

Explanation:
This is a Fibonacci-like series where each term is the sum of the previous two terms. 7+11=18, 11+18=29. The next term is 29.

This question belongs to: Reasoning Number Series

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