Funny Riddles

Question: Is an older one-hundred dollar bill worth more than a newer one?

Question: You walk into a room with a rabbit holding a carrot, a pig eating slop, and a chimp holding a banana.Which animal in the room is the smartest?

Question: No matter how much rain comes down on it it won't get any wetter.

What is it?

Question: What happens when you throw a blue rock into the yellow sea?

Question: There are 31 horses on a cliff, first they jump into the air, then they come down and stop, then they stand still.

Why do they do this?