What will come in place of the question mark (?) in the following number series? 4, 7, 12, 19, 28, ? MCQ with Answer and Explanation

Question

Share Report Error

What will come in place of the question mark (?) in the following number series? 4, 7, 12, 19, 28, ?

A. 37

B. 41

C. 35

D. 39

Answer: Option D

Solution (By JKSSB Mock Tests)

The differences are: 3, 5, 7, 9. These are consecutive odd numbers. The next difference is 11. Therefore, 28+11=39.

This question belongs to: Reasoning Number Series

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Number Series Questions

Question #1

Share Report

What will come in place of the question mark (?) in the following number series? 3, 8, 15, 24, ?

A. 36

B. 35

C. 40

D. 33

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option B

Explanation:
The differences are: 5, 7, 9. The next difference is 11. Therefore, 24+11=35.

This question belongs to: Reasoning Number Series

Question #2

Share Report

What will come in place of the question mark (?) in the following number series? 7, 13, 25, 49, ?

A. 101

B. 99

C. 103

D. 97

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option D

Explanation:
Each term is obtained by multiplying by 2 and subtracting 1. (7×2)-1=13, (13×2)-1=25, (25×2)-1=49. The next term is (49×2)-1=97.

This question belongs to: Reasoning Number Series

Question #3

Share Report

What will come in place of the question mark (?) in the following number series? 3, 10, 21, 36, ?

A. 57

B. 53

C. 51

D. 55

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option D

Explanation:
The differences are: 7, 11, 15. These are increasing by 4. The next difference is 19. Therefore, 36+19=55.

This question belongs to: Reasoning Number Series

Explore All Number Series MCQs