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, November 16, 2007
Throw It Out? But I Want to Use It?
What do you throw out when you want to use it, but take in when you don't want to use it?