You Are In A Room That Has Three Switches

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

You are in a room that has three switches.

Let the bulbs be x y and z. We have to go to that room only once. Your task is to determine which switch controls which bulb. First switch on the first switch keep it on for say 2 3 minutes.

Interview question for global customer support representative in mountain view ca you re in a room with three light switches each of which controls one of three light bulbs in the next room. On the other side of the door is a room that has three light bulbs in it. If you found that the bulb is glowing that means the second switch corresponds to the room. There is a room with a door closed and three light bulbs.

You are in a room that has 3 switches and a closed door. This is a simple problem. Each light is connected to one of three switches outside of the room. Each bulb is switched off at present.

As soon as u on the second switch go to the room. You can only enter the room with the bulbs once. You are allowed one and only one trip to the other room at which time you have to determine which switch controls which bulb. Then switch of first switch and on the second switch.

You may manipulate the switches as you wish but once you open the door you can t change them. You may inspect the room only once. You are standing outside a closed door. You have only one power supply wire and three different fixtures to be wired to that power supply.

Turn on switch x for 5 to 10 minutes. Interview question for candidates day interviews for multiple areas x div back office in new york ny you are in a room with 3 switches which correspond to 3 bulbs in another room and you don t know which switch corresponds to which bulb. Punishment for failure to solve this is having to listen to obama speak for an hour. How to wire three switches in a gang box seems a bit daunting just looking at it.

The three switches control three light bulbs in another room. How can you tell which switch is connected to each of the light bulbs. 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. It has no windows and nothing can get in or out except through the door.

The switches control 3 light bulbs on the other side of the door. You can not use any external equipment power supplies resistors etc. Once you open the door you may never touch the switches again. The room is completely sealed off from the outside.

You are in a room that has 3 switches and a closed door the switches control 3 light bulbs on the other side of the door once you open the door you may never touch the switches again. All lights are initially off and you can t see into one room from the other. You are outside the room and the door is closed.