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## Sock Drawer puzzle

There are 10 socks of each of the following colors in a drawer:

- red
- blue
- green
- black
- white

i.e., there are 50 socks. The socks are arbitrarily distributed in the drawer. You are blind-folded.

What is the minimum number socks you must draw in order to be certain you have at least 2 socks of the

same color?How many socks must you draw from the drawer in order to be certain you have at least 2 socks of

different colors?

**Source:**folklore