Question

The number of boys in a class is 20. If 60% of the class are girls, what is the strength of the class?

• A. 60
• B. 45
• C. 40
• D. 50

Answer 1

The correct option is D

50

Given : The percentage of Girls = 60%

The percentage of boys = 100 - 60 = 40%

Let the total number of students in the class be $x$

$\frac{40x}{100}$ = 20

$\Rightarrow$ $x$ = 50