5050. There are 50 students in a class. Out of them 40 areboys and res – InterviewSolution

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1.	5050. There are 50 students in a class. Out of them 40 areboys and rest are girls. The mean weight of class is44 kg and mean weight of girls is 40 kg. The mearnweight of boys will be:
Answer» Total no of students=50no of boys=40no of girls=10average weight of the class is 44 kilogramsum=4450=2200average weight ofgirls is 40 kilogramsum=4010=400average weight of boys=(2200-400)/40=45

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