Average of 9 numbers 640. If average of 6 is 635, average of remaining 3? MCQ with Answer and Explanation

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

A. 648

B. 655

C. 645

D. 650

Answer: Option D

Solution (By JKExamLibrary)

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

This question belongs to: Maths Average

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Question #1 Report Error

Average of 9 numbers 1440. If average of 6 is 1435, average of remaining 3?

A. 1455

B. 1448

C. 1445

D. 1450

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Correct Answer: Option D

Explanation:
Sum9=12960. Sum6=8610. Remaining=4350. Average=1450.

This question belongs to: Maths Average

Question #2 Report Error

Average of 12 numbers 1520. If average of 8 is 1515, average of remaining 4?

A. 1528

B. 1532

C. 1525

D. 1530

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Correct Answer: Option D

Explanation:
Sum12=18240. Sum8=12120. Remaining=6120. Average=1530.

This question belongs to: Maths Average

Question #3 Report Error

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

A. 180

B. 185

C. 182

D. 188

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Correct Answer: Option B

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

This question belongs to: Maths Average

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