2/23/15 e-Scholium Puzzle
Suppose you’re in a hallway with 100 closed lockers. You begin by opening every locker. Then you close every second locker. Then you go to every third locker and open it (if it’s closed) or close it (if it’s open). […]
The Episcopal Academy
Suppose you’re in a hallway with 100 closed lockers. You begin by opening every locker. Then you close every second locker. Then you go to every third locker and open it (if it’s closed) or close it (if it’s open). […]