Average of 465,620,775 is MCQ with Answer and Explanation

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Average of 465,620,775 is

A. 610

B. 615

C. 630

D. 620

Answer: Option D

Solution (By JKSSB Mock Tests)

1860/3=620.

This question belongs to: Maths Average

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Question #1

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Average of 8 numbers is 25. If 3 is added to each number, what will be the new average?

A. 27

B. 28

C. 25

D. 26

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Correct Answer: Option B

Explanation:
When a constant is added to each number, the average also increases by the same constant. New average = 25 + 3 = 28.

This question belongs to: Maths Average

Question #2

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Average of 20 numbers 40. If each decreased by 5, new average?

A. 45

B. 35

C. 30

D. 40

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Correct Answer: Option B

Explanation:
New average=35.

This question belongs to: Maths Average

Question #3

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Average of 12 numbers is 40. If average of first 7 is 38, what is average of last 5?

A. 43

B. 42

C. 40

D. 44

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Correct Answer: Option A

Explanation:
Sum12=480. Sum first7=266. Sum last5=214. Average last5=42.8 ≈ but use exact numbers.

This question belongs to: Maths Average

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