Good Riddles

 
Riddle #516 (medium)

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

Question: Why are manholes round instead of square?

Question: No matter how terrible things get for the people of the Arctic, they will not eat a penguin.

Why not?

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?

Riddle #507 (medium)

Question: A man named Edward was born on December 21st, yet his birthday is during the summer this year.

How could this be?