Average of 8 numbers 700. If average of 5 is 695, average of remaining 3? MCQ with Answer and Explanation

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Average of 8 numbers 700. If average of 5 is 695, average of remaining 3?

A. 705

B. 710

C. 707

D. 708.33

Answer: Option D

Solution (By JKSSB Mock Tests)

Sum8=5600. Sum5=3475. Remaining=2125. Average≈708.33.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average of a,b,c,d is 25. If a=20, b=30, c=25, d=?

A. 22

B. 25

C. 30

D. 20

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Correct Answer: Option B

Explanation:
d=100-75=25.

This question belongs to: Maths Average

Question #2

The average of 20 numbers is 45. Later it was found that 52 was wrongly taken as 25. What is the correct average?

A. 46.35

B. 46

C. 47

D. 45.35

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Correct Answer: Option A

Explanation:
Error = 52-25=27 too less. Correct sum = old sum +27. Old sum=20×45=900. New sum=927. Average=927/20=46.35.

This question belongs to: Maths Average

Question #3

The average of 5 numbers is 30. If each number is multiplied by 1.2, what is the new average?

A. 36

B. 42

C. 30

D. 24

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Correct Answer: Option A

Explanation:
New average =30×1.2=36.

This question belongs to: Maths Average

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