Question

in a school 5/8 of the students are boys if there are 240 girls, find the number of boys in the school​

Answer 1

Number of boys = 5/8 of 640
Therefore, Total no. of boys in a school are 400.

Answer 2

➥Question

• In a school 5/8 of the students are boys if there are 240 girls, find the number of boys in the school

➥Answer

Let the total number of students be $x$

Fraction of boys = $\large\frac{5}{8}$

Fraction of girls = $\large 1 - \frac{5}{8} = \frac{3}{8}$

Number of girls = 240

Number of girls = Total students $\large \times \frac{3}{8}$

⇒ 240 = Total students $\large \times \frac{3}{8}$

⇒ Total students = $\large 240 \div \frac{3}{8}$

⇒ $\large 240 \times \frac{8}{3}$

⇒ $\huge \frac{240 \times \frac{8}{3} }{3}$

⇒ $\large\frac{1920}{3} = 640$

Total students = 640

Number of boys = Total students - Number of girls

640 - 240 = 400

$\large\orange{\mid{\fbox{\rm{Number\:of\:boys\:=\:400}}\mid}}$