The mean weight of 60 students of a class is 40kg. The mean weight of boys is 50kg, while that of the girls is 30kg. Find the no. of boys n girls in the school.
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Home » Mathematics » The mean weight of 60 students of a class is 40kg. The mean weight of boys is 50kg, while that of the girls is 30kg. Find the no. of boys n girls in the school.