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Posted 18 March 2008 - 02:27 AM
You have three light fixtures in a room and three switches in another room. You are standing in the room with the switches and from here you cannot see the fixtures. You can only leave the room once. How do you figure out which switch operates which fixture?
Posted 18 March 2008 - 02:32 AM
Posted 18 March 2008 - 02:35 AM
Edited by kiger, 18 March 2008 - 02:37 AM.
Posted 18 March 2008 - 11:47 AM
there are a few variations on this one (and posted in this forum as well) - 4, 5 and 100 bulbs
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