Good Riddles

Question: A man walks into a completely dark room. There is a box on a table at the other end of the room and immediately the man knows one of the contents of the box. He cannot smell, see, or hear it.

How does he immediately know what is inside?

Question: I wear a red coat and have a stone in my throat.

What am I?

Question: Weight in my stomach,trees on my back,nails in my ribs,it's feet I lack.What am I?

Question: Mr. Niceguy donated one million dollars to help feed starving people. After he donated the money he was a millionaire.

How did he become a millionaire?

Question: Rob and Bob are arch enemies. They decide to have a fight to the death one day when a fairy appears. The fairy says it will give them both one wish. Bob wishes, "I wish for twice whatever Rob asks for."

What can Rob ask for to ensure he wins the fight?