Question

In a school the ratio of boys and girls in Class VIII,
Class IX and Class X are, respectively 3:1, 5:3
and 7: 5. If the number of students in each class
is same, then find the ratio of boys and girls in the
school.​

Answer 1

Answer:

15:8

Step-by-step explanation:

adds all the ratio of boys from the class VIII, IX, X

= 3+5+7

= 15

similarly, adds all the ratio of girls from the class VIII, IX, X

= 1 + 3 + 5

= 8

The ratio of boys to girls in the school is

15:8