In a class there are 30 boys whose average weight is decreased by 200 g when boys whose weight was 25 kg leaves the class and the new one is admitted. find the weight of new comer
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Reduction in total weight =30*200 gm
=6 kg
When the boy having 25 kg weight left and new one was admitted, total weight was reduced by 6 kg.
Therefore, weight of the newcomer =25−6=19kg
=6 kg
When the boy having 25 kg weight left and new one was admitted, total weight was reduced by 6 kg.
Therefore, weight of the newcomer =25−6=19kg
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