Average of 8 numbers 500. If average of 5 is 495, average of remaining 3? MCQ with Answer and Explanation

Average of 8 numbers 500. If average of 5 is 495, average of remaining 3?

A. 508.33

B. 507

C. 505

D. 510

Answer: Option A

Sum8=4000. Sum5=2475. Remaining=1525. Average≈508.33.

This question belongs to: Maths Average

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Question #1 Report Error

The average of 5 numbers is 28. If one number is excluded, the average becomes 25. What is the excluded number?

A. 35

B. 30

C. 45

D. 40

Correct Answer: Option D

Explanation:
Sum of 5 numbers = 5 × 28 = 140. Sum of remaining 4 numbers = 4 × 25 = 100. Excluded number = 140 - 100 = 40.

This question belongs to: Maths Average

Question #2 Report Error

Average of 1435,2870 is

A. 2150

B. 2152.5

C. 2140

D. 2160

Correct Answer: Option B

Explanation:
2152.5.

This question belongs to: Maths Average

Question #3 Report Error

Average of 40 numbers is 45. If numbers are increased by 5 each, new average?

A. 55

B. 48

C. 50

D. 45

Correct Answer: Option C

Explanation:
New average =45+5=50.

This question belongs to: Maths Average