A Light Logic Test

Logic Level 1

There is a room that contains 3 lamps each with a working light bulb connected to another room by a hallway and two locked doors. The 3 light switches are in the second room, separate from the three lights. After you leave the room with the three switches the door locks behind you and you can't get back in. You must find out exactly which switch goes with which lamp. How do you do it?

Turn two on, wait a minute and turn one off Turn two on Turn all three on, then two off Turn one on, wait a minute, turn another on Turn one on, wait a minute, then turn off

Eriekhiel H2O by Eriekhiel H2O , 62, USA

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1 solution

Eriekhiel H2O
Jul 25, 2020

By turning one on for a minute and then turning it off you can feel the two off bulbs, and that one should be warm. Always be aware of using all your senses, not just sight to see the light!

0 Helpful 0 Interesting 0 Brilliant 0 Confused

This may not work for LED bulbs :)

Richard Costen - 10 months, 3 weeks ago

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