A box contains 12 marbles of three different colors – Green, Yellow and Blue – 4 of each.

If you were to close your eyes and pick them at random, how many marbles must you take out to be sure that there are at least two of one color among the marbles picked out ?

To be sure that you had two of one color, you would need to take 10 marbles out.
For example: You wanted two blue ones. But if the first 8 you took out were all of the greens and yellows, you would need to take 2 more out in order to make sure you had 2 blue marbles.

The End.

Posted by silvis on 2003-03-18 14:09:03