the average weight of a kid in a group of 10 is 35 kilograms. when sonu also joined them, the average become 36 kilograms. how much does sonu weight?
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Average weight of 10 kids = 35
Weight of 10 kids = 35*10 = 350
After sonu joined there will be 11 kids and their average weight is 36 kgs,
So actual weight of 11 kids = 11*36 = 396
Weight of sonu = 396 - 350 = 46
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