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	Subject - brain teaser indianapaul imagine your in a room there is a closed door seperating you from another room the room your in has 3 swithches. the other room has 3 lamps. each lamp is contoled by a different switch. how can you tell which switch controls which lamp if you can only open the door once. Ryan_J Leave the door open and turn on the switches one at a time? kbsparky Open door, turn on switch #1. Make note of which lamp is lit. Now turn on switch #2. Again, make note of which remaining lamp is lit. Now you can close the door. I only opened that door once Ryan_J What is it that they say about great minds again? blackrd The three switches in the room your in have nothing to do with the three lamps in the other room.