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!
Tuesday, March 11, 2008
A 100 meter long train is traveling at 100 meters per minute. It must pass through a tunnel of 100 meters in length. How long will it take to pass completely through?