What will come in place of the question mark (?) in the following number series? 4, 7, 13, 25, ? 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, 13, 25, ?

A. 49

B. 53

C. 51

D. 55

Answer: Option A

Solution (By JKSSB Mock Tests)

Each term is obtained by multiplying by 2 and subtracting 1. (4×2)-1=7, (7×2)-1=13, (13×2)-1=25. The next term is (25×2)-1=49.

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? 8, 16, 24, 32, ?

A. 38

B. 40

C. 42

D. 36

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option B

Explanation:
The series increases by 8 each time. Therefore, 32+8=40.

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? 10, 17, 26, 37, ?

A. 50

B. 51

C. 48

D. 49

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option A

Explanation:
The differences are: 7, 9, 11. These are increasing by 2. The next difference is 13. Therefore, 37+13=50.

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? 2, 4, 8, 14, 22, ?

A. 34

B. 32

C. 30

D. 36

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option B

Explanation:
The differences are: 2, 4, 6, 8. These are increasing by 2. The next difference is 10. Therefore, 22+10=32.

This question belongs to: Reasoning Number Series

Explore All Number Series MCQs