Average of 10 numbers 1080. If average of 6 is 1075, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 1080. If average of 6 is 1075, average of remaining 4?

A. 1087.5

B. 1090

C. 1086

D. 1085

Answer: Option A

Solution (By JKExamLibrary)

Sum10=10800. Sum6=6450. Remaining=4350. Average=1087.5.

This question belongs to: Maths Average

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Question #1 Report Error

Average of 1575,2100,2625 is

A. 2110

B. 2090

C. 2100

D. 2095

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Correct Answer: Option C

Explanation:
6300/3=2100.

This question belongs to: Maths Average

Question #2 Report Error

Average of 100 numbers is 50. If 98 is replaced by 52, new average?

A. 50

B. 49.46

C. 49

D. 48

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Correct Answer: Option B

Explanation:
Change -46. Decrease 46/100=0.46. New 49.54 approx.

This question belongs to: Maths Average

Question #3 Report Error

The average of 870,1160,1450 is

A. 1150

B. 1160

C. 1155

D. 1170

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Correct Answer: Option B

Explanation:
3480/3=1160.

This question belongs to: Maths Average

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