1.how many students like only the basketball
2.how many students like only volleyball
3.how many students like both basketball and volleyball
4.how many students like basy
5.how many students like volleyball
6.how many students do not like basketball
7.how many students do not like basketball nor volleyball
8.how many students like basketball but not volleyball
9.how many students like exactly one sports
10.how many students were asked in the survey​