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. 1615

B. 1618

C. 1620

D. 1617.5

Answer: Option D

Solution (By JKExamLibrary)

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

This question belongs to: Maths Average

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Question #1

Average of 15 numbers 210. If average of 9 is 205, average of remaining 6?

A. 218

B. 215

C. 220

D. 217.5

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Correct Answer: Option D

Explanation:
Sum15=3150. Sum9=1845. Remaining=1305. Average=217.5.

This question belongs to: Maths Average

Question #2

Average of 9 numbers 640. If average of 6 is 635, average of remaining 3?

A. 648

B. 655

C. 645

D. 650

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Correct Answer: Option D

Explanation:
Sum9=5760. Sum6=3810. Remaining=1950. Average=650.

This question belongs to: Maths Average

Question #3

Average of 12 numbers 2120. If average of 8 is 2115, average of remaining 4?

A. 2125

B. 2132

C. 2128

D. 2130

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Correct Answer: Option D

Explanation:
Sum12=25440. Sum8=16920. Remaining=8520. Average=2130.

This question belongs to: Maths Average

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