Subject :IMO Class : Class 6
The boys and girls in a college are in the ratio 3 : 2. If 20% of the boys and 25% of the girls are adults, the percentage of students who are not adults is _____.
(A) 58%
(B) 67.5%
(C) 78%
(D) 82.5%
Ans 1: (Master Answer)
Class : Class 1
The correct answer is C