Good Riddles

Question: How to talk but not talk?

Question: There are two mothers and two daughters. They go to a restaurant and ask for 3 chairs. Why?

Question: What goes black when you buy it, red when you use it, and goes white when you throw it away?

Question: There are five people at a table and a pie sliced into 5 pieces. Each person has a piece of pie in front of them, yet the pie tin still has a piece of pie in it. How is this possible?

Question: 2 men catch 2 fish in 2 minutes. At this rate, how many men could catch 500 fish in 500 minutes?