Average of 15 numbers 150. If average of 9 is 145, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 150. If average of 9 is 145, average of remaining 6?

A. 155

B. 157.5

C. 160

D. 158

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum15=2250. Sum9=1305. Remaining=945. Average=157.5.

This question belongs to: Maths Average

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Question #1

Average of 20, 40, 60, 80 is

A. 60

B. 45

C. 50

D. 55

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Correct Answer: Option C

Explanation:
Sum=200. Average=50.

This question belongs to: Maths Average

Question #2

The average of 120,160,200 is

A. 170

B. 160

C. 150

D. 155

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Correct Answer: Option B

Explanation:
480/3=160.

This question belongs to: Maths Average

Question #3

Average of 15 numbers 1860. If average of 9 is 1855, average of remaining 6?

A. 1868

B. 1867.5

C. 1865

D. 1870

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Correct Answer: Option B

Explanation:
Sum15=27900. Sum9=16695. Remaining=11205. Average=1867.5.

This question belongs to: Maths Average

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