Average of first 10 multiples of 9 is MCQ with Answer and Explanation

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Average of first 10 multiples of 9 is

A. 54.5

B. 50

C. 45

D. 49.5

Answer: Option D

Solution (By JKSSB Mock Tests)

9*(1+10)/2 =9*5.5=49.5.

This question belongs to: Maths Average

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Question #1

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Average of 1125,1500,1875 is

A. 1490

B. 1495

C. 1500

D. 1510

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Correct Answer: Option C

Explanation:
4500/3=1500.

This question belongs to: Maths Average

Question #2

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Average of 105,140,175 is

A. 140

B. 150

C. 135

D. 130

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Correct Answer: Option A

Explanation:
420/3=140.

This question belongs to: Maths Average

Question #3

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The average of 18,36,54 is

A. 40

B. 32

C. 30

D. 36

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Correct Answer: Option D

Explanation:
108/3=36.

This question belongs to: Maths Average

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