Three Switches Outside A Windowless Room

Then turn the second switch off and enter the room after half a minute. Switch on the first switch leave it for a minute and then switch it off again. Three switches outside a windowless room are connected to three light bulbs inside the room.

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A windowless room contains three identical light fixtures each containing an identical light bulb or light globe.

Three switches outside a windowless room.

The second switch will be connected to the light that is on the first switch will be connected to the light with the warm bulb and the third switch. Then switch on the second switch and enter the room. Each light is connected to one of three switches outside of the room. The second switch will be connected to the.

Switch on the first switch leave it for a minute and then switch it off again. Feel the two bulbs that are not lit. Each bulb is switched off at present. The warmer of the two.

Turn the first two switches on and leave them on for 2 minutes. You are outside the room and the door is closed. How can you determine which switch is connected to which bulb if you are only allowed to enter the room once. Then switch on the second switch and enter the room.

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