The average of 510,680,850 is MCQ with Answer and Explanation

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The average of 510,680,850 is

A. 690

B. 670

C. 680

D. 675

Answer: Option C

Solution (By JKSSB Mock Tests)

2040/3=680.

This question belongs to: Maths Average

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Question #1

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The average of 8 numbers is 25. If 5 is added to each of first 4 and subtracted from each of last 4, new average?

A. 25

B. 27

C. 24

D. 26

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Correct Answer: Option A

Explanation:
Net zero change. Average remains 25.

This question belongs to: Maths Average

Question #2

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Average of 9 numbers 390. If average of 6 is 385, average of remaining 3?

A. 405

B. 395

C. 398

D. 400

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Correct Answer: Option D

Explanation:
Sum9=3510. Sum6=2310. Remaining=1200. Average=400.

This question belongs to: Maths Average

Question #3

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The average of 4 numbers is 30. If each number is divided by 3, what is the new average?

A. 12

B. 9

C. 10

D. 11

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Correct Answer: Option C

Explanation:
New average =30/3=10.

This question belongs to: Maths Average

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