Good Riddles

Question: What do you call a king who is 12 inches tall?

Question: What's the only school where you have to drop out to graduate?

Question: When I left, I didn't know where I was going; when I got there, I didn't know where I was; when I returned, I didn't know where I had been. Who was I?

Question: What did the banana say to the elephant?

Question: What is as big as an elephant but weighs nothing?