Average of 10 numbers 2080. If average of 6 is 2075, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 2080. If average of 6 is 2075, average of remaining 4?

A. 2086

B. 2085

C. 2090

D. 2087.5

Answer: Option D

Solution (By JKExamLibrary)

Sum10=20800. Sum6=12450. Remaining=8350. Average=2087.5.

This question belongs to: Maths Average

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Question #1

Average of 25 numbers 70. If average of 15 is 75, average of remaining 10?

A. 62.5

B. 65

C. 60

D. 63

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Correct Answer: Option A

Explanation:
Total=1750. Sum15=1125. Remaining=625/10=62.5.

This question belongs to: Maths Average

Question #2

Find the average of the first 7 multiples of 4.

A. 17

B. 14.5

C. 15

D. 16

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Correct Answer: Option D

Explanation:
Multiples:4,8,12,16,20,24,28 sum=112, count=7, avg=16.

This question belongs to: Maths Average

Question #3

The average score of a batsman in 11 innings is 48 runs. If his score in the next innings is 70, what becomes his new average?

A. 49.83

B. 50

C. 52

D. 51

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Correct Answer: Option A

Explanation:
Total runs in 11 innings = 11×48 = 528. New total = 528+70 = 598. Average = 598/12 = 49.83.

This question belongs to: Maths Average

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