If average of 20 numbers is 50 and 25 is added to each, new average is MCQ with Answer and Explanation

If average of 20 numbers is 50 and 25 is added to each, new average is

A. 75

B. 50

C. 60

D. 55

Answer: Option A

New average =50 +25=75.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 10 numbers 1730. If average of 6 is 1725, average of remaining 4?

A. 1736

B. 1737.5

C. 1735

D. 1740

Correct Answer: Option B

Explanation:
Sum10=17300. Sum6=10350. Remaining=6950. Average=1737.5.

This question belongs to: Maths Average

Question #2 Report Error

Average of 1 to 50 is

A. 25

B. 26

C. 25.5

D. 24.5

Correct Answer: Option C

Explanation:
(50×51)/2 /50 =25.5.

This question belongs to: Maths Average

Question #3 Report Error

Average of 7 consecutive numbers is 28. Sum?

A. 190

B. 210

C. 196

D. 200

Correct Answer: Option C

Explanation:
28*7=196.

This question belongs to: Maths Average