In a school class of 30 youngsters , the average weight of male is 20 kg and the average weight of the female is 25 kg . The fraction of male out of the total youngsters of the class is Answers:
A) data insufficient	B) 1/2	C) 3/5	D) 6/5	E) 7/5
the number of male = B and number of female = G.   =&gt;B + G = 30   total weight of male = W1 and total weight of female = W2   average weight of male = total weight of male/number of male   total weight of male/number of male= 20   W1/B = 20   W1 = 20B   average weight of female = total weight of female/number of female   25 = W2/G   W2 = 25G   Data is not sufficient to solve the equation   data insufficientNSWER data insufficient
<result>A</result>
In a school class of 30 youngsters , the average weight of male is 20 kg and the average weight of the female is 25 kg . The fraction of male out of the total youngsters of the class is