Question

Average weight of 5 men is increased by 2 kg when one of them whose weight is 80 kg is replaced by another person. What is the average weight of new man

Answer 1

Answer:

70 kg.

Step-by-step explanation:

Let the weight of new man be W

Let the average weight of 5 men be x

So,

One of the men whose weight is 60 kg is replaced by a new man.

So,New Sum = 5x - 60+W

The average weight of 5 men is increased by 2 kg when one of the men whose weight is 60 kg is replaced by a new man.

So,  

Hence  the weight of the new man is 70 kg.

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