Imagine two rooms, one with three switches and the other with three light bulbs. Each switch controls one of the light bulbs. However, because the light bulbs are in a different room, you can't see immediately which switch contronls which light bulb.
Your task is to figure out which switch controls which light bulb. you can spend as much time as you like in the room with the light switches, but eventually you must go into the room with the light bulbs. Once you enter the room with the light bulbs, you can't return to the room with the light switches. What's more, after entering the room with the light bulbs, you have only thirty seconds to figure out which switch controls which bulb.
How do you do it?
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Dont enter the room with the light bulbs.just flip one switch and stand out side the room with light bulbs and see what light was turned on.then just go back turn off a the switch you just turned on and flip another switch,and go back and see what that switch turned on.then you should know which switch turns on which.
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