The average of 20,25,30,35,40 is MCQ with Answer and Explanation

The average of 20,25,30,35,40 is

A. 31

B. 32

C. 28

D. 30

Answer: Option D

Sum=150. Average=30.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 8 numbers 200. If average of 5 is 195, average of remaining 3?

A. 208.33

B. 210

C. 205

D. 207

Correct Answer: Option A

Explanation:
Sum8=1600. Sum5=975. Remaining=625. Average≈208.33.

This question belongs to: Maths Average

Question #2 Report Error

Average of 50 numbers 40. If two numbers 30 and 50 are replaced by 40 and 60, new average?

A. 39

B. 41

C. 40.4

D. 40

Correct Answer: Option C

Explanation:
Net change +20, increase 20/50=0.4, new 40.4.

This question belongs to: Maths Average

Question #3 Report Error

The average of 720,960,1200 is

A. 970

B. 960

C. 955

D. 950

Correct Answer: Option B

Explanation:
2880/3=960.

This question belongs to: Maths Average