Average of 15,30,45,60 is MCQ with Answer and Explanation

Question

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Average of 15,30,45,60 is

A. 37.5

B. 35

C. 40

D. 38

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum=150. Average=37.5.

This question belongs to: Maths Average

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Question #1

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The average score of 40 matches is 50. If average of first 20 is 45, average of last 20?

A. 55

B. 50

C. 48

D. 52

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Correct Answer: Option A

Explanation:
Total=2000. First=900. Last=1100. Average=55.

This question belongs to: Maths Average

Question #2

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The average of 1230,1640,2050 is

A. 1635

B. 1650

C. 1640

D. 1630

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Correct Answer: Option C

Explanation:
4920/3=1640.

This question belongs to: Maths Average

Question #3

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Average of 15 numbers 2010. If average of 9 is 2005, average of remaining 6?

A. 2017.5

B. 2020

C. 2015

D. 2018

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Correct Answer: Option A

Explanation:
Sum15=30150. Sum9=18045. Remaining=12105. Average=2017.5.

This question belongs to: Maths Average

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