In a class of 52 students there are 22 boys. The average weight of these boys is 57 Kg and average weight of the full class is 42 kg. What is the average weight (in kg) of the girls of the class?

In a class of 52 students there are 22 boys. The average weight of the

1.	In a class of 52 students there are 22 boys. The average weight of these boys is 57 Kg and average weight of the full class is 42 kg. What is the average weight (in kg) of the girls of the class?
A.	33
B.	31
C.	35
D.	37
Answer» C. 35

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In a class of 52 students there are 22 boys. The average weight of these boys is 57 Kg and average weight of the full class is 42 kg. What is the average weight (in kg) of the girls of the class?

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