Mr. Blue has 12 brown gloves and 8 black gloves in a drawer in his closet. If he blindly pulls gloves from the drawer, what's the minimum number of gloves Mr. Blue will have to pick, to be certain he has a pair of gloves of the same color?

if left and right does not matter, 3

If it matters 11

 

Posted by Detti on 2004-10-07 04:29:54