Average of 10 numbers 1130. If average of 6 is 1125, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 1130. If average of 6 is 1125, average of remaining 4?

A. 1136

B. 1137.5

C. 1140

D. 1135

Answer: Option B

Solution (By JKSSB Mock Tests)

Sum10=11300. Sum6=6750. Remaining=4550. Average=1137.5.

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

The average of 4 numbers is 30. If each number is divided by 3, what is the new average?

A. 11

B. 10

C. 9

D. 12

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Correct Answer: Option B

Explanation:
New average =30/3=10.

This question belongs to: Maths Average

Question #2

A library has average 120 books per shelf for 10 shelves. If one shelf has 150, what is average of remaining?

A. 116.67

B. 115

C. 118

D. 120

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Correct Answer: Option A

Explanation:
Total=1200. Remaining=1050 for 9. 1050/9≈116.67.

This question belongs to: Maths Average

Question #3

The average of 6 numbers is 17. If one number is 20, find the average of the remaining 5.

A. 16.4

B. 16.6

C. 17.0

D. 16.8

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Correct Answer: Option A

Explanation:
Sum=6×17=102. Remaining sum=102-20=82. Avg=82/5=16.4.

This question belongs to: Maths Average

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