Question

In a class, $45\%$ of the students are girls. If there are $18$ girls in the class, then the to number of students in the class is

• A. $44$
• B. $40$
• C. $36$
• D. $30$

Answer 1

The correct option is B $40$

Let the no. of students be $x$.

then $45\%x=18⟹x=40$.