Question

In a class 40% of the total number of students are boys and there are 15 girls. Find the total number of students in the class.

Answer 1

Let total no. of students be x.

So 60% of x =15

$\frac{60}{100} \times x = 15$

So x=

$x = \frac{100}{60} \times 15 = 25$

So total no. of students = 25