The average of 10 numbers is 14. If each number is decreased by 3, what is the new average? MCQ with Answer and Explanation

The average of 10 numbers is 14. If each number is decreased by 3, what is the new average?

A. 11

B. 8

C. 17

D. 14

Answer: Option A

New average =14-3=11.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 10 numbers 1080. If average of 6 is 1075, average of remaining 4?

A. 1090

B. 1086

C. 1087.5

D. 1085

Correct Answer: Option C

Explanation:
Sum10=10800. Sum6=6450. Remaining=4350. Average=1087.5.

This question belongs to: Maths Average

Question #2 Report Error

The average of 9 numbers is 33. If one number is 55, find the average of the remaining 8.

A. 31

B. 29.75

C. 30.25

D. 30

Correct Answer: Option C

Explanation:
Sum=9×33=297. Remaining sum=297-55=242. Avg=242/8=30.25.

This question belongs to: Maths Average

Question #3 Report Error

Average of 8 numbers 1800. If average of 5 is 1795, average of remaining 3?

A. 1805

B. 1810

C. 1807

D. 1808.33

Correct Answer: Option D

Explanation:
Sum8=14400. Sum5=8975. Remaining=5425. Average≈1808.33.

This question belongs to: Maths Average