Question

in a school the totel number of students are 400. it contain boys and girls in the ratio 3:5 in how many boys will added it will equal to the girl ratio

Answer 1

Let the number of boys be 3x and girls be 5x.

total number of boys and girls=400

3x+5x=400

8x=400

x=400/8

x=50

Number of boys=3x=3(50)=150

Number of girls=5x=5(50)=250

difference between

Number of girls and

Number of boys=250-150

=100