The ratio of boys and girls in a school is 3:2, 20% of boys and 25% of girls are scholarship holders. The percentage of students who are scholarship holders are?

Question

The ratio of boys and girls in a school is 3:2, 20% of boys and 25% of girls are scholarship holders. The percentage of students who are scholarship holders are?

A. 22

B. 34

C. 54

D. 21

Answer: A

Solution:

3 : 2 of 100 = 60 and 40

20% of 60 =12

and 25% of 40 = 10