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!
Thursday, March 13, 2008
Was Yesterday Easy?
Then how about this one?
Which of the following does not belong?
Oslo Paris Rome Barcelona Beijing Frankfurt Prague