The average of 4 numbers is 30. If each number is divided by 3, what is the new average? MCQ with Answer and Explanation

The average of 4 numbers is 30. If each number is divided by 3, what is the new average?

A. 12

B. 9

C. 11

D. 10

Answer: Option D

New average =30/3=10.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 10 numbers 1930. If average of 6 is 1925, average of remaining 4?

A. 1937.5

B. 1940

C. 1935

D. 1936

Correct Answer: Option A

Explanation:
Sum10=19300. Sum6=11550. Remaining=7750. Average=1937.5.

This question belongs to: Maths Average

Question #2 Report Error

Average of 10 numbers 1580. If average of 6 is 1575, average of remaining 4?

A. 1587.5

B. 1586

C. 1590

D. 1585

Correct Answer: Option A

Explanation:
Sum10=15800. Sum6=9450. Remaining=6350. Average=1587.5.

This question belongs to: Maths Average

Question #3 Report Error

The average of 4 numbers is 24. If each number is multiplied by 4, what is the new average?

A. 24

B. 72

C. 96

D. 48

Correct Answer: Option C

Explanation:
New average =24×4=96.

This question belongs to: Maths Average