Question

out of 40 children are in class,10 are boys. what is the percentage of boys.​

Answer 1

Answer:

40-100%

10-x

by cross multiplication

40x=1000

x=1000/40

x=25%

I hope my answer helps you☺☺

Answer 2

Total students in class = 40

No Of boys in class = 10

so first we have divide total strength of class and number of boys in class = 10/40×100 =25