The Average Weight Of 12 Boys Is 42 Kg. Four Students With Respective Weights Of 36 Kg, 42 Kg, 46 Kg, And 30 Kg Leave. What Is The Average Weight Of The Remaining Boys?
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At first total weight of 12 boys=12×42=504
Total weight of 4boys =36+42+46+30=154
Total weight of 8 boys=504-154=350
average weight of 8 boys=350/8=43.75 kg
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