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

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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. 59.5 kg

B. 58.75 kg

C. 60 kg

D. 59.25 kg

Answer: Option D

Solution (By JKExamLibrary)

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

This question belongs to: Maths Average

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