Question

i) There are 180 students in a class. Number of girls are 75.Find the ratio of number of girls to
the number of boys.

Answer 1

$\sf{Total \:students = 180}$

$\sf{No. of \:girls = 75}$

$\sf{No. of \:boys = 180 - 75}$

$\sf{\:\:\:\:\:\:\:\:\:\:\: \:\:\:\:\:\:\:\:\:= 105}$

$\sf{\purple{Ratio \:of\: No. of\: girls\: to \:boys}}$

$\bold{=\dfrac{\cancel{75}}{\cancel{105}}}$ $\bold{=\dfrac{5}{7}}$

$\bold{\red{= 5:7}}$