I'm posting one puzzle, riddle, math, or statistical problem a day. Try to answer each one and post your answers in the comments section. I'll post the answer the next day. Even if you have the same answer as someone else, feel free to put up your answer, too!
Wednesday, February 23, 2011
Two Riddles to Enjoy
1. I have 24 keys, but they can't open any locks.
2. Many people own a copy of me. Without me the world would fall. Who am I?