Average of 20 numbers 40. If each decreased by 5, new average? MCQ with Answer and Explanation

Question

Share Report Error

Average of 20 numbers 40. If each decreased by 5, new average?

A. 40

B. 30

C. 45

D. 35

Answer: Option D

Solution (By JKExamLibrary)

New average=35.

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

If average of 12 numbers is 35 and average of first 8 is 32, average of last 4?

A. 42

B. 41

C. 38

D. 40

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Sum12=420. Sum8=256. Last4=164. Average=41.

This question belongs to: Maths Average

Question #2

Share Report

The average of 180,240,300 is

A. 235

B. 230

C. 250

D. 240

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
720/3=240.

This question belongs to: Maths Average

Question #3

Share Report

The average of 30 numbers is 25. If 5 numbers with average 30 are added, new average?

A. 25

B. 25.71

C. 27

D. 26

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Total30=750. Added=150. Total900. Numbers35. Average≈25.71.

This question belongs to: Maths Average

Explore All Average MCQs