Average of 9 numbers 175. If average of 6 is 170, average of remaining 3? MCQ with Answer and Explanation

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Average of 9 numbers 175. If average of 6 is 170, average of remaining 3?

A. 182

B. 185

C. 188

D. 180

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum9=1575. Sum6=1020. Remaining=555. Average=185.

This question belongs to: Maths Average

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Question #1

Average of 30 numbers 55. If average of 20 is 50, average of remaining 10?

A. 65

B. 70

C. 60

D. 62

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Correct Answer: Option A

Explanation:
Sum30=1650. Sum20=1000. Remaining=650. Average=65.

This question belongs to: Maths Average

Question #2

Average of 15 numbers 2160. If average of 9 is 2155, average of remaining 6?

A. 2170

B. 2165

C. 2167.5

D. 2168

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Correct Answer: Option C

Explanation:
Sum15=32400. Sum9=19395. Remaining=13005. Average=2167.5.

This question belongs to: Maths Average

Question #3

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

A. 1960

B. 1957

C. 1955

D. 1958.33

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Correct Answer: Option D

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

This question belongs to: Maths Average

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