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, May 15, 2009
MzzLily Asked a Question
A man buys 10 trees. He leaves instructions for them to be planted in 5 rows with 4 trees in each row. How is this possible?