It's dark. You have ten grey socks and ten blue socks you want to put into pairs. All socks are exactly the same except for their colour. How many socks would you need to take with you to ensure you had at least a pair?
Answers
Answered by
0
With three socks there is always a matching pair since. Either you will have chosen three of the same colour, or a matching pair and an odd one out
Similar questions