There are 22 gloves in a drawer. 5 brown pair, 4 green pair, and 2 blue pair. If you had the reach into the drawer and it was dark, how many must you choose to ensure that you have a matching pair?

Answer 1

there are only 3 colors, so the 4th sock must be the same color as one of the first three.

Answer 2

best case 2,worst case 12