Average of 10 numbers 1680. If average of 6 is 1675, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 1680. If average of 6 is 1675, average of remaining 4?

A. 1687.5

B. 1690

C. 1685

D. 1686

Answer: Option A

Solution (By JKExamLibrary)

Sum10=16800. Sum6=10050. Remaining=6750. Average=1687.5.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 10 numbers 1330. If average of 6 is 1325, average of remaining 4?

A. 1335

B. 1337.5

C. 1340

D. 1336

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Correct Answer: Option B

Explanation:
Sum10=13300. Sum6=7950. Remaining=5350. Average=1337.5.

This question belongs to: Maths Average

Question #2 Report Error

The average of 10 numbers is 19. If each number is increased by 6, what is the new average?

A. 31

B. 25

C. 13

D. 19

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Correct Answer: Option B

Explanation:
New average =19+6=25.

This question belongs to: Maths Average

Question #3 Report Error

Average of 12 numbers 1220. If average of 8 is 1215, average of remaining 4?

A. 1232

B. 1230

C. 1225

D. 1228

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Correct Answer: Option B

Explanation:
Sum12=14640. Sum8=9720. Remaining=4920. Average=1230.

This question belongs to: Maths Average

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