Question

9.
Participation in sports is compulsory in a school and a class has 80 student out of which 60
students play football and 40 students play basketball. Find how many students
(a) play football only,
(b) play basketball only,
(C) Play both football and basketball.​

Answer 1

Answer:

1)30

2)50

3)20

hope this helps

Answer 2

Answer:

n(AUB)=n(A)+n(B)-n(AnB)