B. A survey of 66 students showed that 23 like mango, 34 like pineapple, and 6 like both mango and pineapple.
1. How many students like mango only? _______
2. How many students like mango or pineapple? ________
3. How many students do not like pineapple? __________
4. How many students like neither of the two fruits? ______
5. How many students like only one of the two fruits? _______