Average of 915,1220,1525 is MCQ with Answer and Explanation

Average of 915,1220,1525 is

A. 1220

B. 1230

C. 1210

D. 1215

Answer: Option A

3660/3=1220.

This question belongs to: Maths Average

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Question #1 Report Error

The average of 10 numbers is 19. If each number is increased by 6, what is the new average?

A. 19

B. 31

C. 13

D. 25

Correct Answer: Option D

Explanation:
New average =19+6=25.

This question belongs to: Maths Average

Question #2 Report Error

Average of 8 observations is 40. If two observations 30 and 50 are included, new average?

A. 42

B. 41

C. 40

D. 39

Correct Answer: Option C

Explanation:
Sum8=320. New sum=320+80=400. Numbers10. Average=40.

This question belongs to: Maths Average

Question #3 Report Error

The average of 4 numbers is 26. If each number is decreased by 2, what is the new average?

A. 26

B. 28

C. 22

D. 24

Correct Answer: Option D

Explanation:
New average =26-2=24.

This question belongs to: Maths Average