Average of 10,15,20,25,30,35,40 is MCQ with Answer and Explanation

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Average of 10,15,20,25,30,35,40 is

A. 26

B. 22.5

C. 25

D. 24

Answer: Option C

Solution (By JKExamLibrary)

Sum=175. Average=25.

This question belongs to: Maths Average

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Question #1

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Average of 10 numbers 28. If average of 6 is 25, average of remaining 4?

A. 32.5

B. 33

C. 35

D. 30

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Correct Answer: Option A

Explanation:
Sum10=280. Sum6=150. Remaining=130. Average=32.5.

This question belongs to: Maths Average

Question #2

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What is the average of all factors of 24?

A. 6

B. 7.5

C. 8

D. 9

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Correct Answer: Option B

Explanation:
Factors:1,2,3,4,6,8,12,24. Sum=60. Average=60/8=7.5.

This question belongs to: Maths Average

Question #3

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Average of 10 numbers 2280. If average of 6 is 2275, average of remaining 4?

A. 2285

B. 2290

C. 2287.5

D. 2286

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Correct Answer: Option C

Explanation:
Sum10=22800. Sum6=13650. Remaining=9150. Average=2287.5.

This question belongs to: Maths Average

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