Average of a,b,c,d is 25. If a=20, b=30, c=25, d=? MCQ with Answer and Explanation

Average of a,b,c,d is 25. If a=20, b=30, c=25, d=?

A. 30

B. 25

C. 22

D. 20

Answer: Option B

d=100-75=25.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 8 numbers 36. If each increased by 3, new average?

A. 39

B. 37

C. 36

D. 40

Correct Answer: Option A

Explanation:
39.

This question belongs to: Maths Average

Question #2 Report Error

Average of 12 numbers 1770. If average of 8 is 1765, average of remaining 4?

A. 1778

B. 1780

C. 1775

D. 1782

Correct Answer: Option B

Explanation:
Sum12=21240. Sum8=14120. Remaining=7120. Average=1780.

This question belongs to: Maths Average

Question #3 Report Error

Average of 375,500,625 is

A. 495

B. 490

C. 510

D. 500

Correct Answer: Option D

Explanation:
1500/3=500.

This question belongs to: Maths Average