Brain teaser for sore heads.


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Posted by Lee M. (166.62.94.3) on January 29, 2000 at 01:03:15:

In your cellar there are three light switches in the off position. Each switch controls 1 of 3 light bulbs on the floor above. You may move any of the switches but you may only go upstairs to inspect the lights one time. How can you determine the switch for each bulb with only one inspection?
Answer later........


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