The average weight of 50 boys in a class is 45 Kg. When one boy leaves the class, the average reduces by 100g. Find the weight of the boy who left the class.

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Accepted Answer

Total weight of 50 boys = 45 X 50 = 2250 Average weight of 49 boys = 44.9 Total weight of 49 boys = 44.9 X 49 = 2200.1 Weight of boy who left the class=2250–2200.1=49.9

The average weight of 50 boys in a class is 45 Kg. When one boy leaves the class, the average reduces by 100g. Find the weight of the boy who left the class.

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