Puzzles/Logic puzzles/Pair of Socks

From Wikibooks, the open-content textbooks collection

Jump to: navigation, search

Puzzles | Logic puzzles | Pair of Socks


There are 10 black socks and 10 white socks(no left-right distinction) in the wardrobe. Your task is to draw the minimum number of socks at random to be sure you have a pair of a single color.

How many socks should you draw?

Solution