The average of 5 numbers is 30. If each number is multiplied by 1.2, what is the new average? MCQ with Answer and Explanation

The average of 5 numbers is 30. If each number is multiplied by 1.2, what is the new average?

A. 36

B. 42

C. 30

D. 24

Answer: Option A

New average =30×1.2=36.

This question belongs to: Maths Average

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

Question #1 Report Error

The average of 8 numbers is 44. If one number is 56, find the average of the remaining 7.

A. 43

B. 42

C. 41.5

D. 42.29

Correct Answer: Option D

Explanation:
Sum=8×44=352. Remaining sum=352-56=296. Avg=296/7=42.29.

This question belongs to: Maths Average

Question #2 Report Error

Average of 12 numbers 2020. If average of 8 is 2015, average of remaining 4?

A. 2032

B. 2028

C. 2030

D. 2025

Correct Answer: Option C

Explanation:
Sum12=24240. Sum8=16120. Remaining=8120. Average=2030.

This question belongs to: Maths Average

Question #3 Report Error

Average of 8 numbers 2550. If average of 5 is 2545, average of remaining 3?

A. 2557

B. 2558.33

C. 2555

D. 2560

Correct Answer: Option B

Explanation:
Sum8=20400. Sum5=12725. Remaining=7675. Average≈2558.33.

This question belongs to: Maths Average