What will come in place of the question mark (?) in the following number series? 6, 15, 28, 45, ? MCQ with Answer and Explanation

Question

Share Report Error

What will come in place of the question mark (?) in the following number series? 6, 15, 28, 45, ?

A. 64

B. 66

C. 60

D. 62

Answer: Option B

Solution (By JKSSB Mock Tests)

The differences are: 9, 13, 17. These are increasing by 4. The next difference is 21. Therefore, 45+21=66.

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? 5, 10, 15, 20, ?

A. 24

B. 25

C. 30

D. 22

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option B

Explanation:
The series is increasing by 5 each time. Therefore, the next term is 20+5=25.[reference:7]

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? 1, 3, 9, 27, 81, ?

A. 324

B. 162

C. 243

D. 405

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option C

Explanation:
Each term is multiplied by 3. Therefore, 81×3=243.

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? 1, 2, 4, 7, 11, ?

A. 16

B. 14

C. 18

D. 15

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option A

Explanation:
The differences are: 1, 2, 3, 4. The next difference is 5. Therefore, 11+5=16.

This question belongs to: Reasoning Number Series

Explore All Number Series MCQs