Question

The number of boys to girls in a class are in the ratio 7:5. Then number of boys is 8 more than the number of girls. What is the total class strengh

Answer 1

Answer:

Let the no.of boys be 7x and no.of girls be 5x.

A/Q

7x = 8 + 5x

7x - 5x = 8

2x = 8

x = 8/2

x = 4

No. of boys = 7x

= 7 × 4

= 28

No. of girls = 5x

= 5 × 4

= 20