The average of 9 numbers is 25. If one number is 45, find the average of the remaining 8. MCQ with Answer and Explanation

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The average of 9 numbers is 25. If one number is 45, find the average of the remaining 8.

A. 22.5

B. 23

C. 22

D. 24

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum=9×25=225. Remaining sum=225-45=180. Avg=180/8=22.5.

This question belongs to: Maths Average

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Average of 8 numbers 1950. If average of 5 is 1945, average of remaining 3?

A. 1955

B. 1957

C. 1960

D. 1958.33

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Correct Answer: Option D

Explanation:
Sum8=15600. Sum5=9725. Remaining=5875. Average≈1958.33.

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Question #2

Average of 555,740,925 is

A. 750

B. 735

C. 740

D. 730

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2220/3=740.

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Question #3

Average of 15 numbers 1110. If average of 9 is 1105, average of remaining 6?

A. 1120

B. 1115

C. 1117.5

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Correct Answer: Option C

Explanation:
Sum15=16650. Sum9=9945. Remaining=6705. Average=1117.5.

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