Everyday Einstein – 5.28.2010

May 28, 2010 at 7:03 pm Leave a comment

We’re back! Eureka’s first trip to Book Expo America was a success! We can’t wait to tell you about the new origami, puzzle, and trivia books we’re getting.

Here’s your puzzle for today:

Ten red socks and ten blue socks are all mixed up in a dresser. The twenty socks are exactly except for their color. The room is in pitch darkness and you want two matching socks. What is the smallest number of socks you must take out of the drawer in order to be certain that you have a pair that match?

It’s from Martin Gardner’s Entertaining Mathematical Puzzles.

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Entry filed under: Everyday Einstein.

Everyday Einstein – 5.25.2010 Everyday Einstein – 5.29.2010

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