Average of 8 numbers 800. If average of 5 is 795, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 800. If average of 5 is 795, average of remaining 3?

A. 807

B. 805

C. 810

D. 808.33

Answer: Option D

Solution (By JKExamLibrary)

Sum8=6400. Sum5=3975. Remaining=2425. Average≈808.33.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1 Report Error

The average of 3 numbers is 28. If two numbers are 25 and 30, find the third.

A. 29

B. 27

C. 31

D. 26

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Correct Answer: Option A

Explanation:
Sum=3×28=84. Third =84-25-30=29.

This question belongs to: Maths Average

Question #2 Report Error

The average of 6 numbers is 15. If each number is increased by 7, what is the new average?

A. 29

B. 8

C. 22

D. 15

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Correct Answer: Option C

Explanation:
New average =15+7=22.

This question belongs to: Maths Average

Question #3 Report Error

The average age of 30 boys is 14 years. If 2 more boys of age 15 and 16 join, new average?

A. 14.125

B. 14

C. 14.2

D. 14.5

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Correct Answer: Option A

Explanation:
Total age=420. New total=420+15+16=451. New average=451/32=14.09375 ≈14.1 but approx 14.125 yes.

This question belongs to: Maths Average

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