Average of 15 numbers 1610. If average of 9 is 1605, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 1610. If average of 9 is 1605, average of remaining 6?

A. 1618

B. 1620

C. 1617.5

D. 1615

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum15=24150. Sum9=14445. Remaining=9705. Average=1617.5.

This question belongs to: Maths Average

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Question #1

Average of 10 numbers 1130. If average of 6 is 1125, average of remaining 4?

A. 1135

B. 1136

C. 1140

D. 1137.5

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Correct Answer: Option D

Explanation:
Sum10=11300. Sum6=6750. Remaining=4550. Average=1137.5.

This question belongs to: Maths Average

Question #2

Average of 30, 40, 50, 60, 70 is

A. 50

B. 55

C. 52

D. 48

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Correct Answer: Option A

Explanation:
Sum=250. Average=50.

This question belongs to: Maths Average

Question #3

Average of 1245,1660,2075 is

A. 1660

B. 1670

C. 1655

D. 1650

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Correct Answer: Option A

Explanation:
4980/3=1660.

This question belongs to: Maths Average

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