Each member of a sports club plays at least one of soccer, rugby, or tennis. The following information is known: 43 members play tennis, 11 play tennis and rugby, 7 play tennis and soccer, 6 play soccer and rugby, 84 play rugby or tennis, 68 play soccer or rugby, and 4 play all three sports.
1. Display the information in a Venn diagram.
2. How many members play soccer only?
3. How many members play tennis or soccer, but not rugby?
4. How many members play exactly two sports?
5. How many members play at least one sport?
6. If 60 members play soccer, how many members play tennis?