Average of 20 numbers 60. If each is halved, new average? MCQ with Answer and Explanation

Question

Share Report Error

Average of 20 numbers 60. If each is halved, new average?

A. 120

B. 30

C. 15

D. 60

Answer: Option B

Solution (By JKExamLibrary)

30.

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

Average of 10 numbers 1480. If average of 6 is 1475, average of remaining 4?

A. 1487.5

B. 1490

C. 1486

D. 1485

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Sum10=14800. Sum6=8850. Remaining=5950. Average=1487.5.

This question belongs to: Maths Average

Question #2

Share Report

Average of 25 numbers 70. If average of 15 is 75, average of remaining 10?

A. 62.5

B. 60

C. 65

D. 63

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Total=1750. Sum15=1125. Remaining=625/10=62.5.

This question belongs to: Maths Average

Question #3

Share Report

The average of 6 numbers is 12. If one number is 20, find the average of the rest.

A. 11

B. 10

C. 9.6

D. 10.4

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Sum=6×12=72. Rest sum=72-20=52. Average=52/5=10.4.

This question belongs to: Maths Average

Explore All Average MCQs