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, March 03, 2008
Saw This One Over the Weekend
What numbers fit the bill: a + b + c + d = a * b * c * d
The solutions to a, b, c and d do not have to be unique (i.e. a can equal b).