Average of 24,36,48,60,72 is MCQ with Answer and Explanation

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Average of 24,36,48,60,72 is

A. 48

B. 45

C. 42

D. 50

Answer: Option A

Solution (By JKSSB Mock Tests)

240/5=48.

This question belongs to: Maths Average

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Question #1

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The average of 50,55,60,65 is

A. 60

B. 55

C. 57.5

D. 58

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Correct Answer: Option C

Explanation:
230/4=57.5.

This question belongs to: Maths Average

Question #2

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The average weight of 7 persons is 58 kg. If a person weighing 68 kg joins, what is the new average?

A. 59.25 kg

B. 58.75 kg

C. 59.5 kg

D. 60 kg

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Correct Answer: Option A

Explanation:
Sum=7×58=406. New sum=406+68=474. New avg=474/8=59.25.

This question belongs to: Maths Average

Question #3

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The average of 3 numbers is 20. If the numbers are in the ratio 1:2:3, find the largest.

A. 35

B. 25

C. 20

D. 30

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Correct Answer: Option D

Explanation:
Sum=3×20=60. Ratio sum=6. Largest = (3/6)×60=30.

This question belongs to: Maths Average

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