Answer:
If I say "everything I tell you is a lie", am I telling you the truth or a lie?
What did the faucet say to the shower?
What do you get when you mix lemons with gunpowder?
A king in red with a sole command. If you obey, it will cause you to break. What am I?
What do you say to a giant with his head in the clouds?
Even if you throw it away, it still comes back.