Average of 10 numbers 2180. If average of 6 is 2175, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 2180. If average of 6 is 2175, average of remaining 4?

A. 2190

B. 2185

C. 2187.5

D. 2186

Answer: Option C

Solution (By JKExamLibrary)

Sum10=21800. Sum6=13050. Remaining=8750. Average=2187.5.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 10 numbers 15. If each multiplied by 3, new average?

A. 15

B. 45

C. 30

D. 5

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Correct Answer: Option B

Explanation:
Multiplied by 3, average 45.

This question belongs to: Maths Average

Question #2 Report Error

The average of 1608,2144 is

A. 1880

B. 1860

C. 1876

D. 1870

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Correct Answer: Option C

Explanation:
1876.

This question belongs to: Maths Average

Question #3 Report Error

If the average of 6 numbers is 18 and average of 4 is 20, average of remaining 2 is

A. 12

B. 14

C. 15

D. 16

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Correct Answer: Option B

Explanation:
Sum6=108. Sum4=80. Remaining sum=28. Average=14.

This question belongs to: Maths Average

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