The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class. 

The average weight of 16 boys in a class is 50.25 kg 

The average of remaining 8 boys is 45.15 kg

The average weights of all the boys in the class $\frac{16\left(50.25\right)+8\left(45.15\right)}{24}=\frac{804+361.2}{24}=48.55$