Three Cards
By Paul
Nahay
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So, here's the "deal"...
You've got 3 cards:
-
Card #1 is BLACK on both sides
-
Card #2 is WHITE on both sides
-
Card #3 is BLACK on one side, WHITE on the other
Imagine you throw all three cards into a hat, mix 'em up, pull one out
at random, and place it on the table. The top of the card is black.
So you want to be a millionaire? Then answer this one, very simple
question:
What is the probability
that the underside of the card is also black?
(Click on the correct answer below to continue, or click
here)