1) The average weight of 16 boys in a class is 50.25 kgs and that of the remaining 8 boys is 45.15 kgs. Find the average weight of all the boys in the class. A) 47.55 kgs B) 48kgs C) 48.55 kgs D) 49.25 kgs Answer: Option CExplanation:Required avrage = $\frac{50.25\times16+45.15\times8}{16+8}$$=\frac{804+361.20}{24}=\frac{1165.20}{24}=48.55$
