Question 68
Athletes of a school. In a group of $40$ students, $20$ play football, $19$ play volleyball and $15$ play exactly one of these two sports. How many students play neither football nor volleyball?
(a) $7$
(b) $5$
(c) $13$
(d) $9$
(e) $10$
(a) $7$
(b) $5$
(c) $13$
(d) $9$
(e) $10$