Brain Teasers

April Brain Teaser Answer

Brainteaser: There are 20 different socks of two types in a drawer in a completely dark room. What is the minimum number of socks you should grab to ensure you have a matching pair?

Answer: 11

Workings: The suggested answer given here is more to show an appreciation of the real world rather than theory, statistics etc. With this in mind, the only way to safely “ensure you have a matching pair” is to pick 11 socks.

All of us here at Roger Ward Engineering have a passion for solving problems and finding answers. Learn more about what we can do for you and your business.