Question

33. 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) 67.50%
(C) 78%
(D) 82.50%
answer​

Answer 1

let's consider 30 boys and 20 girls...

20% of 30 is 6

25% of 20 is 5

so total 11 peoples are adults

so out of 50 ,39 peoples are non adults,

so (39/50) = 78%

Answer 2

78% dude... it will be the answer