Question

In a class of 50 students, 30% like cricket, 10% like basketball, 12% like football, 20% like volleyball and the rest like tennis.

Answer 1

tennis=x
30%+10%+12%+20%+x%=100%
72%+x%=100%
x%=28%
50×28/100
14

Answer 2

Total no. of students=50

If, 30% likes cricket
10% likes basketball
12% likes football
20% likes volleyball

%age of students who likes tennis
={100-(30+10+12+20}%
={100-72}%
=28%

No.of students who likes tennis=28% of 50
=28/100×50
=14