Good Riddles

Question: You have 7 oranges on a plate, and there are 7 children. After you give 1 orange to each child, there is still 1 orange left on the plate. How is this possible? Source: www.puzzlevilla.com

Question: What listens, yet it tells?

Question: The doctor gives you three pills and tells you to take one every half hour. How long before you run out of pills?

Question: If a man has 10 birds and he sells them for 80 chicks each, how many chicks does he have?

Question: What is black white black white black white black white?