Hosted by The Math Forum## Problem of the Week 1163## Walk a Mile in My ShoesFive pairs of shoes of different sizes are in a closet. In how many ways can five people reach in and each remove a left and right shoe, so that no one gets a proper pair of shoes?
Source: Sally Cockburn and Joshua Lesperance, "Deranged socks," © Copyright 2013 Stan Wagon. Reproduced with permission. |

27 September 2013