Average of 15 numbers 1310. If average of 9 is 1305, average of remaining 6? MCQ with Answer and Explanation

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Average of 15 numbers 1310. If average of 9 is 1305, average of remaining 6?

A. 1320

B. 1317.5

C. 1315

D. 1318

Answer: Option B

Solution (By JKExamLibrary)

Sum15=19650. Sum9=11745. Remaining=7905. Average=1317.5.

This question belongs to: Maths Average

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Average of 50 numbers 20. If numbers are decreased by 2 each, new average?

A. 18

B. 22

C. 20

D. 19

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Correct Answer: Option A

Explanation:
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This question belongs to: Maths Average

Question #2 Report Error

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

A. 980

B. 978

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Correct Answer: Option A

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A. 110

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