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. 1085

B. 1086

C. 1087.5

D. 1090

Answer: Option C

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Average

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Practice More Average Questions

Question #1

Average of 25 numbers is 36. If one number 48 is replaced by 24, new average?

A. 34

B. 36

C. 35.04

D. 35

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Correct Answer: Option C

Explanation:
Change -24, decrease 0.96, new≈35.04.

This question belongs to: Maths Average

Question #2

The average of 780,1040,1300 is

A. 1030

B. 1050

C. 1040

D. 1035

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Correct Answer: Option C

Explanation:
3120/3=1040.

This question belongs to: Maths Average

Question #3

The average of 5 numbers is 42. If two numbers are 38 and 44, find the average of the remaining three.

A. 42

B. 43

C. 41.33

D. 42.67

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Correct Answer: Option D

Explanation:
Sum=5×42=210. Sum of two=38+44=82. Sum of three=128. Avg=128/3=42.67.

This question belongs to: Maths Average

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