Average of 12 numbers 970. If average of 8 is 965, average of remaining 4? MCQ with Answer and Explanation

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Average of 12 numbers 970. If average of 8 is 965, average of remaining 4?

A. 975

B. 980

C. 982

D. 978

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum12=11640. Sum8=7720. Remaining=3920. Average=980.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average of 1185,1580,1975 is

A. 1580

B. 1570

C. 1590

D. 1575

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Correct Answer: Option A

Explanation:
4740/3=1580.

This question belongs to: Maths Average

Question #2

If average of x and y is 25 and average of y and z is 35, average of x,y,z?

A. 27

B. 28.33

C. 30

D. 32

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Correct Answer: Option B

Explanation:
x+y=50. y+z=70. Sum x+y+z=120 - y. Need y. Not direct. Use different.

This question belongs to: Maths Average

Question #3

What is the average of squares of first 5 natural numbers?

A. 55

B. 15

C. 11

D. 10

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Correct Answer: Option C

Explanation:
Squares: 1,4,9,16,25. Sum=55. Average=55/5=11.

This question belongs to: Maths Average

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