Question
The average weight of 14 persons increases by 3.5 kg
when a new person comes in place of one of them weighing 48 kg. The weight of the new person is.Solution
Increase the average weight of 14 persons = 3.5kg increase the total weight of 14 persons = 3.5×14= 49kg so now the weight of the new person = 48 + 49 = 97kg
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