Average of 645,860,1075 is MCQ with Answer and Explanation

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Average of 645,860,1075 is

A. 860

B. 870

C. 850

D. 855

Answer: Option A

Solution (By JKExamLibrary)

2580/3=860.

This question belongs to: Maths Average

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Question #1

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Average of 10 numbers 880. If average of 6 is 875, average of remaining 4?

A. 886

B. 887.5

C. 890

D. 885

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Correct Answer: Option B

Explanation:
Sum10=8800. Sum6=5250. Remaining=3550. Average=887.5.

This question belongs to: Maths Average

Question #2

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The average of 7 numbers is 32. If each number is increased by 4, what is the new average?

A. 32

B. 36

C. 40

D. 28

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Correct Answer: Option B

Explanation:
New average =32+4=36.

This question belongs to: Maths Average

Question #3

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If the average of 12 numbers is 30 and average of 8 is 35, average of remaining 4 is

A. 20

B. 18

C. 25

D. 22.5

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Correct Answer: Option A

Explanation:
Sum12=360. Sum8=280. Remaining sum=80. Average=20.

This question belongs to: Maths Average

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