• # question_answer 12) 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) 38-55 kgs                      B) 48 kgsC) 48-55 kgs                      D) None of these

Required average weight of all the boys in  class                                        $=\frac{16\times 50.25+8\times 45.15}{24}kg$ $=\frac{804+361.20}{24}kg$ $=48.55\,\,kg$