The average of 9,18,27,36 is MCQ with Answer and Explanation

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The average of 9,18,27,36 is

A. 22.5

B. 24

C. 20

D. 25

Answer: Option A

Solution (By JKSSB Mock Tests)

90/4=22.5.

This question belongs to: Maths Average

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Question #1

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Average of 9 numbers 1990. If average of 6 is 1985, average of remaining 3?

A. 1998

B. 2005

C. 1995

D. 2000

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Correct Answer: Option D

Explanation:
Sum9=17910. Sum6=11910. Remaining=6000. Average=2000.

This question belongs to: Maths Average

Question #2

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Average of 21, 28, 35, 42 is

A. 33

B. 30

C. 31.5

D. 32

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Correct Answer: Option C

Explanation:
Sum=126. Average=31.5.

This question belongs to: Maths Average

Question #3

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Average of 15 numbers 1910. If average of 9 is 1905, average of remaining 6?

A. 1920

B. 1918

C. 1917.5

D. 1915

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Correct Answer: Option C

Explanation:
Sum15=28650. Sum9=17145. Remaining=11505. Average=1917.5.

This question belongs to: Maths Average

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