Average of 10 numbers 1930. If average of 6 is 1925, average of remaining 4? MCQ with Answer and Explanation

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Average of 10 numbers 1930. If average of 6 is 1925, average of remaining 4?

A. 1936

B. 1935

C. 1937.5

D. 1940

Answer: Option C

Solution (By JKSSB Mock Tests)

Sum10=19300. Sum6=11550. Remaining=7750. Average=1937.5.

This question belongs to: Maths Average

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Question #1

The average of 1410,1880,2350 is

A. 1890

B. 1880

C. 1875

D. 1870

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Correct Answer: Option B

Explanation:
5640/3=1880.

This question belongs to: Maths Average

Question #2

Average of 40 numbers 28. If 10 numbers average 32, average of remaining 30?

A. 24

B. 26

C. 27

D. 25

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Correct Answer: Option B

Explanation:
Total=1120. 10=320. Remaining=800/30≈26.67 approx 26.

This question belongs to: Maths Average

Question #3

Average of 10 observations 25. Later one 35 replaced by 15, new average?

A. 25

B. 26

C. 24

D. 23

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Correct Answer: Option C

Explanation:
Change -20, decrease 2, new 23? Wait 25-2=23.

This question belongs to: Maths Average

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