Out of 45 students in a class 15 are girls and their average weight is 45 Kg. If the average weight of the boys in the class is 40 Kg., then what is the average weight of all students?

Out of 45 students in a class 15 are girls and their average weight is

1.	Out of 45 students in a class 15 are girls and their average weight is 45 Kg. If the average weight of the boys in the class is 40 Kg., then what is the average weight of all students?
A.	41.66
B.	42.65
C.	43.50
D.	43.66
Answer» B. 42.65

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Out of 45 students in a class 15 are girls and their average weight is 45 Kg. If the average weight of the boys in the class is 40 Kg., then what is the average weight of all students?

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