Average of 615,820,1025 is MCQ with Answer and Explanation

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Average of 615,820,1025 is

A. 815

B. 810

C. 820

D. 830

Answer: Option C

Solution (By JKExamLibrary)

2460/3=820.

This question belongs to: Maths Average

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Question #1

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Average of 20 numbers 180. If average of 12 is 175, average of remaining 8?

A. 188

B. 190

C. 185

D. 187.5

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Correct Answer: Option D

Explanation:
Sum20=3600. Sum12=2100. Remaining=1500. Average=187.5.

This question belongs to: Maths Average

Question #2

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

A. 25

B. 28

C. 27

D. 26.67

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Correct Answer: Option D

Explanation:
Total=1200. 10=400. Remaining=800/30≈26.67.

This question belongs to: Maths Average

Question #3

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The average of 6 numbers is 27. If one number is 33, find the average of the remaining 5.

A. 26

B. 25.8

C. 26.2

D. 25.4

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Correct Answer: Option B

Explanation:
Sum=6×27=162. Remaining sum=162-33=129. Avg=129/5=25.8.

This question belongs to: Maths Average

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