Good Riddles

Question: What fastens two people yet touches only one?

Question: What did the red light say to the green light?

Question: There is a one story house. The walls are blue, the floor is pink, the stove and cupboards are red. What color are the stairs?

Question: There are 20 birds in a tree. A man comes and shoots one of the birds. How many birds are left?

Question: What has 3 feet but cannot walk?