average weight of 8 boys is 52 if the weight of 8 boy is 56 kg and the average of the remaining 7 boys
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Step-by-step explanation:
- total weight of 8 boys = 416 kgs
- weight of 7 boys = 416-56
= 360
avg of remining 7 boys = 360/7 = 51.43 kgs
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