Question

There are 50 students in a class out of which 2/5 are girls find the number of boys in the class.​

Answer 1

Answer:

30 students are boys

Step-by-step explanation:

If 2/5th of the class contains girls then the remaining (3/5) are boys

so 3/5*50= 30

Answer 2

Answer:

Total No. of students = 50

Total No. of girls

$= \frac{2}{5} of \: 50$

$= \frac{2}{5} \times 50$

$= 2 \times 10$

$= 20 \: girls$

Therefore No.of boys = 50 - 20 = 30.

Hence, there are total 30 boys in the classroom.