Question

the ratio of boys and girls in a school is 9:5if the number of girls is 160 then the total strength of the school is

Answer 1

the no. of boys= 9x
the no. of girls= 5x
A.T. Q
9x+5x=160
14x=160
x=160÷40
x=4
no. of boys=9×4
=36
no. of girls=5×4
= 20
total no.of students=36+20
= 56 students

Answer 2

let the boys = 9x
girls=5x
girls =160
5x=160
X=160/5
X=32
boys=9×32
boys= 288
total strength=288+160
total=448