The average age of 25 persons is 36. If 5 persons with average 40 leave, new average? MCQ with Answer and Explanation

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The average age of 25 persons is 36. If 5 persons with average 40 leave, new average?

A. 37

B. 35

C. 36

D. 34

Answer: Option B

Solution (By JKExamLibrary)

Total=900. Leave=200. Remaining 700/20=35.

This question belongs to: Maths Average

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Question #1 Report Error

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

A. 55

B. 45

C. 48

D. 50

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Correct Answer: Option D

Explanation:
New average =45+5=50.

This question belongs to: Maths Average

Question #2 Report Error

Average of 9 numbers 2590. If average of 6 is 2585, average of remaining 3?

A. 2595

B. 2605

C. 2598

D. 2600

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Correct Answer: Option D

Explanation:
Sum9=23310. Sum6=15510. Remaining=7800. Average=2600.

This question belongs to: Maths Average

Question #3 Report Error

Average of 9 numbers 2690. If average of 6 is 2685, average of remaining 3?

A. 2698

B. 2705

C. 2695

D. 2700

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Correct Answer: Option D

Explanation:
Sum9=24210. Sum6=16110. Remaining=8100. Average=2700.

This question belongs to: Maths Average

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