Average of 100 natural numbers is 50.5. Sum is MCQ with Answer and Explanation

Average of 100 natural numbers is 50.5. Sum is

A. 5100

B. 5000

C. 4950

D. 5050

Answer: Option D

Sum =50.5×100=5050.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 30 numbers 20. If each decreased by 4, new average?

A. 24

B. 18

C. 16

D. 20

Correct Answer: Option C

Explanation:
16.

This question belongs to: Maths Average

Question #2 Report Error

Average of 9 numbers 540. If average of 6 is 535, average of remaining 3?

A. 548

B. 545

C. 550

D. 555

Correct Answer: Option C

Explanation:
Sum9=4860. Sum6=3210. Remaining=1650. Average=550.

This question belongs to: Maths Average

Question #3 Report Error

The average of 5 numbers is 28. If one number is 34, find the average of the remaining 4.

A. 26

B. 27

C. 26.5

D. 25.5

Correct Answer: Option C

Explanation:
Sum=5×28=140. Remaining sum=140-34=106. Avg=106/4=26.5.

This question belongs to: Maths Average