Problem
The Problem
A drawer has 10 red socks and 10 blue socks, all mixed up. You're in the dark and can only pull one sock at a time.
What is the minimum number of socks you must pull to guarantee a matching pair?
A drawer has 10 red socks and 10 blue socks, all mixed up. You're in the dark and can only pull one sock at a time.
What is the minimum number of socks you must pull to guarantee a matching pair?