If you can only enter the room one time how can you determine which switch controls which lightbulb.
Three switches outside a windowless room.
Open the door and touch the light bulb.
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 will be connected to the light with the cold bulb.
You may manipulate the switches as you wish but once you open the door you can t change them.
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On the other side of the door is a room that has three light bulbs in it.
A windowless room has 3 lightbulbs.
The room is completely sealed off from the outside.
Each bulb is switched off at present.
Then switch on the second switch and enter the room.
Feel the two bulbs that are not lit.
There are three light switches outside a room.
Each light is connected to one of three switches outside of the room.
How can you determine which switch is connected to which bulb if you are only allowed to enter the room once.
The door to the room is closed and there are no windows.
The bulb that is on is of the first switch.
There is no one there to help you.
Flip those switches and check out the solution here.
Turn on switch x for 5 to 10 minutes.
On the outside of the room there are three light switches that control each of the respective light bulbs on the other side of the door.
Each bulb is switched off at present.
You need to determine which switch operates the bulb.
Turn on two switches call them a and b on and leave them on for a few minutes.
Switch on the first switch leave it for a minute and then switch it off again.
Switch on the first switch leave it for a minute and then switch it off again.
Then switch on the second switch and enter the room.
Outside the room there are three switches connected to the bulbs.
You are outside the room and the door is closed.
You can turn the switches on and off as many times as you wish they are all off to begin with but may only enter the room once.
Then turn the second switch off and enter the room after half a minute.
It has no windows and nothing can get in or out except through the door.
Identify each switch with its bulb.
Before opening the door you may play around with the light switches as many times as you like.
Inside is a single light bulb controlled by one of the three switches.
Each light is connected to one of three switches outside of the room.
Three switches outside a windowless room are connected to three light bulbs inside the room.
A windowless room contains three identical light fixtures each containing an identical light bulb or light globe.
You are standing outside a closed door.
You are outside the room with 3 switches each controlling one of the lightbulbs.
Turn it off and turn on switch y.
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You are outside the room and the door is closed.
But once you ve opened the.
A windowless room contains three identical light fixtures each containing an identical light bulb or light globe.