Riddle: This makes the heart grow "FOUNDER"... Not FONDER. What is it?
Answer: The letter U.
Riddle: What is something you don't own but can give to anyone you meet? You only have one, but you can give it away as many times as you want without losing it. What is it?
Answer: Your heart.
Riddle: What is made of wood but no saw on earth is sharp enough to cut?
Answer: Sawdust.
Riddle: I have one,you have one,we all have one,but I willl use yours more than mine. What is it?
Answer: your name.
Riddle: I can run but cannot walk, everywhere you go I am already there. What am I?
Answer: Your nose.
Riddle: I am strong enough to smash ships, but I fear the Sun. What am I?
Answer: Ice.
Riddle: I went to Australia but I am still at my home. How did I go?
Answer: In my dreams.
Riddle: There is an apple 26 feet away from the horse. The chain is 24 feet long. How will the horse get to the apple?
Answer: Easy, just walk there. The chain isn't tied to anything.
Riddle: Does a ton of feathers or a ton of bricks weigh more?
Answer: They both weigh a ton.  
Riddle: What language do chimpanzees speak?
Answer: Chimp-anese.