The average of 4 numbers is 20. If three numbers are 15,20,25, fourth is MCQ with Answer and Explanation

Question

Share Report Error

The average of 4 numbers is 20. If three numbers are 15,20,25, fourth is

A. 22

B. 18

C. 25

D. 20

Answer: Option D

Solution (By JKExamLibrary)

Fourth=80-60=20.

This question belongs to: Maths Average

Request complete Subject PDF

Discuss this Question (0)

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

Practice More Average Questions

Question #1

Share Report

The average of 6 numbers is 28. If each is increased by 50%, new average?

A. 28

B. 40

C. 35

D. 42

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Increased by 50%, average 28*1.5=42.

This question belongs to: Maths Average

Question #2

Share Report

Average of 40,60,80,100 is

A. 72

B. 70

C. 75

D. 65

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
280/4=70.

This question belongs to: Maths Average

Question #3

Share Report

What is the average of all factors of 24?

A. 6

B. 9

C. 7.5

D. 8

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
Factors:1,2,3,4,6,8,12,24. Sum=60. Average=60/8=7.5.

This question belongs to: Maths Average

Explore All Average MCQs