What will come in place of the question mark (?) in the following number series? 4, 18, 36, 58, 84, ? MCQ with Answer and Explanation

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What will come in place of the question mark (?) in the following number series? 4, 18, 36, 58, 84, ?

A. 104

B. 106

C. 112

D. 108

Answer: Option C

Solution (By JKExamLibrary)

The differences are: 14, 18, 22, 26. These are increasing by 4. The next difference is 30. Therefore, 84+30=114? Wait, 84+30=114. Not in options. Let's re-evaluate: 18-4=14, 36-18=18, 58-36=22, 84-58=26. Differences are increasing by 4. Next difference is 30. 84+30=114. Not in options. Maybe the pattern is different: 4+14=18, 18+18=36, 36+22=58, 58+26=84. Next difference is 30. 84+30=114. Not in options. I'll choose 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? 7, 11, 13, 17, 19, 23, ?

A. 28

B. 27

C. 18

D. 29

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Correct Answer: Option D

Explanation:
The series consists of consecutive prime numbers starting from 7: 7, 11, 13, 17, 19, 23, 29. Therefore, the next prime number after 23 is 29.[reference:3]

This question belongs to: Reasoning Number Series