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!
Friday, October 14, 2005
You need a key for this one
To unravel me You need a key. No key that was made by locksmith's hand, But a key that only I will understand. What am I?