The average of 600,800,1000 is MCQ with Answer and Explanation

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The average of 600,800,1000 is

A. 810

B. 800

C. 790

D. 795

Answer: Option B

Solution (By JKExamLibrary)

2400/3=800.

This question belongs to: Maths Average

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Question #1

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The average of 5 numbers is 40. If each number is decreased by 5, what is the new average?

A. 45

B. 30

C. 35

D. 40

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Correct Answer: Option C

Explanation:
If each number is decreased by a constant, the average also decreases by that constant. New average =40-5=35.

This question belongs to: Maths Average

Question #2

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Average of 10 numbers 580. If average of 6 is 575, average of remaining 4?

A. 585

B. 590

C. 587.5

D. 586

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Correct Answer: Option C

Explanation:
Sum10=5800. Sum6=3450. Remaining=2350. Average=587.5.

This question belongs to: Maths Average

Question #3

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Average of 12 numbers 2270. If average of 8 is 2265, average of remaining 4?

A. 2275

B. 2280

C. 2282

D. 2278

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Correct Answer: Option B

Explanation:
Sum12=27240. Sum8=18120. Remaining=9120. Average=2280.

This question belongs to: Maths Average

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