Question

There are 20 girls and 25 boys in a class.

(a) What is the ratio of number of girls to the number of boys?

(b) What is the ratio of number of girls to the total number of students in the class?

Answer 1

Given number of girls = 20

Number of boys = 25

Total number of students = 20 + 25 = 45.

Ratio of Number of girls to the number of boys

girls : boys = 4 : 5

Ratio of number of girls to the total number of students

Ratio of no. of gets to total students = 4 : 9