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!
Monday, September 17, 2007
Three Dirty Letters
What three letters can be arranged to describe a dirty substance, a dirty animal and an activity that can lead to dirty hands?