BIOP
TD Admin / Rocker of City-Hair
You are standing in a room with 3 light switches. The adjacent room (with the door closed) has three light bulbs, each switch in the room you are in controls one light bulb in the other room. Your task is to figure out which switch pertains to which light bulb. However, you are only allowed to have one light switch switched on when you enter the room with the light bulbs, and you can only enter the room once. How do you identify which switch pertains to which lightbulb?