three cards; one with a blue spot and two with a red spot. Explain that
this is a game for gambling, and whoever finds the blue spot wins a
euro, but if that person is wrong, he must forfeit a euro.
Then explain that you were once taken by this game, and show how you
were taken, losing three euros because every time you thought you picked
the blue card, it was red. So, you accused the man of not even having
a blue card. He showed the bottom card as blue, so you lost another
So, you said that if it was the card on the bottom, it couldn't be the
one on top, but again, you lost another euro! It is then showed as the
center card as well, and by then, there's been six euros lost.
So, you said that you thought he was using more than three cards, but
were proven wrong and lost another euro. So, the gambler giave you another
chance, double or nothing. He showed you that one card was red, another
as blue, and all you had to do was name the color of the third card.
Red, right? Wrong again! It's not red, nor is it anything anyone would