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!
Thursday, November 15, 2007
Many, Many Keys
Many many keys I have, but no door I unlock. Four strong legs and enchanting voice, Yet I never run or talk. What am I?