Average of 25 numbers 40. If average of 15 is 35, average of remaining 10? MCQ with Answer and Explanation

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Average of 25 numbers 40. If average of 15 is 35, average of remaining 10?

A. 47.5

B. 45

C. 48

D. 46

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum25=1000. Sum15=525. Remaining=475. Average=47.5.

This question belongs to: Maths Average

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Question #1

Average of 10 numbers 930. If average of 6 is 925, average of remaining 4?

A. 937.5

B. 935

C. 940

D. 936

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Correct Answer: Option A

Explanation:
Sum10=9300. Sum6=5550. Remaining=3750. Average=937.5.

This question belongs to: Maths Average

Question #2

The average of all even numbers from 2 to 40 is

A. 19

B. 20

C. 21

D. 22

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Correct Answer: Option C

Explanation:
(2+40)/2=21.

This question belongs to: Maths Average

Question #3

Average of 65,75,85,95 is

A. 78

B. 85

C. 80

D. 75

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Correct Answer: Option C

Explanation:
320/4=80.

This question belongs to: Maths Average

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