The average of 5 numbers is 33. If each number is decreased by 2, what is the new average? MCQ with Answer and Explanation

The average of 5 numbers is 33. If each number is decreased by 2, what is the new average?

A. 31

B. 29

C. 33

D. 35

Answer: Option A

New average =33-2=31.

This question belongs to: Maths Average

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Question #1 Report Error

Find the average of the first 10 multiples of 2.

A. 11

B. 12

C. 11.5

D. 10

Correct Answer: Option A

Explanation:
Multiples: 2,4,6,...,20 sum=110, count=10, avg=11.

This question belongs to: Maths Average

Question #2 Report Error

The average of 1290,1720,2150 is

A. 1730

B. 1715

C. 1710

D. 1720

Correct Answer: Option D

Explanation:
5160/3=1720.

This question belongs to: Maths Average

Question #3 Report Error

The average of all natural numbers from 1 to 40 is

A. 20

B. 19.5

C. 20.5

D. 21

Correct Answer: Option C

Explanation:
(40+1)/2=20.5.

This question belongs to: Maths Average