Average of 21,35,49 is MCQ with Answer and Explanation

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Average of 21,35,49 is

A. 35

B. 40

C. 32

D. 30

Answer: Option A

Solution (By JKSSB Mock Tests)

Sum=105. Average=35.

This question belongs to: Maths Average

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Question #1

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If average of 8 and 12 is 10 and average of 12 and x is 15, x is

A. 20

B. 16

C. 15

D. 18

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Correct Answer: Option D

Explanation:
12 + x =30. x=18.

This question belongs to: Maths Average

Question #2

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Average of 15 numbers 2360. If average of 9 is 2355, average of remaining 6?

A. 2367.5

B. 2365

C. 2370

D. 2368

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Correct Answer: Option A

Explanation:
Sum15=35400. Sum9=21195. Remaining=14205. Average=2367.5.

This question belongs to: Maths Average

Question #3

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Average of 1515,2020,2525 is

A. 2015

B. 2010

C. 2030

D. 2020

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Correct Answer: Option D

Explanation:
6060/3=2020.

This question belongs to: Maths Average

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