May 2006
Intermediate to advanced
224 pages
6h 55m
English
MAKE’s favorite puzzles. (When you’re ready to check your answers, visit makezine.com/06/aha.)
Your roommate challenges you to a game with the quarters from each of your sock drawers. Whoever wins the game gets to keep all the money. (Assume you each have an unlimited supply of quarters.)

Illustrations by Roy Doty
You sit down at the perfectly round kitchen table and each person takes a turn, placing a quarter down anywhere on the table. No quarters can overlap and the entire quarter must rest on the table surface. The first person that can’t put a quarter down on the table loses. You each ...
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