Three Switches Outside A Windowless Room

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.

Three switches outside a windowless room.

A windowless room has 3 lightbulbs. Turn the first two switches on and leave them on for 2 minutes. You need to determine which switch operates the bulb. It has no windows and nothing can get in or out except through the door.

See all of our riddles here. Open the door and touch the light bulb. A windowless room contains three identical light fixtures each containing an identical light bulb or light globe. Each bulb is switched off at present.

A windowless room contains three identical light fixtures each containing an identical light bulb or light globe. Turn it off and turn on switch y. You are standing outside a closed door. Identify each switch with its bulb.

There is no one there to help you. 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. Switch on the first switch leave it for a minute and then switch it off again. The door to the room is closed and there are no windows.

Then switch on the second switch and enter the room. 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. Feel the two bulbs that are not lit.

But once you ve opened the. Let the bulbs be x y and z. The warmer of the two belongs to the second switch and the one that is not at all warm is of the third switch. Flip those switches and check out the solution here.

There are three light switches outside a room. Each light is connected to one of three switches outside of the room. If you can only enter the room one time how can you determine which switch controls which lightbulb. Turn on two switches call them a and b on and leave them on for a few minutes.

Three switches outside a windowless room are connected to three light bulbs inside the room. Each light is connected to one of three switches outside of the room. The bulb that is on is of the first switch. Each bulb is switched off at present.

You are outside the room and the door is closed. The room is completely sealed off from the outside. You are outside the room and the door is closed. Before opening the door you may play around with the light switches as many times as you like.

Switch on the first switch leave it for a minute and then switch it off again. Inside is a single light bulb controlled by one of the three switches. You are outside the room with 3 switches each controlling one of the lightbulbs. Then turn the second switch off and enter the room after half a minute.

You may manipulate the switches as you wish but once you open the door you can t change them. Outside the room there are three switches connected to the bulbs. Turn on switch x for 5 to 10 minutes.