Question

in a class 30% of the boys play football 40% of the remaining play cricket and the remaining 21 boys play different other games. how many boys are there in the class

Answer 1

hope this answer helps uh

Answer 2

total percentage who don't play any of the game=100%-(30+40)%=(100-70)%=30%

let the total number of students be x
As30%=21 students
or,30/100×x=21
or,3/10×x=21
or,x=21×10/3
or,x=7×10
or,x=70

:.total number of students =70