Three Light Switches Attic Riddle

You must determine which needs saving and remove the other two.

Three light switches attic riddle.

You have a set of 3 light switches outside a closed door. That is switch on 1 2 wait a minute switch off two and go to the attic and check if the bulb is on hot or cold. November 17 2009 at 10 16 pm. With the door closed from outside the room you can turn the light switches on or off as many times as you would like.

Turn on switch s1. Then switch on the second switch and enter the room. One of them controls the incandescent light bulb inside the room. It s basically the same solution as our first idea.

How would you identify which switch corresponds to which light bulb if you are only allowed one trip upstairs. Switch on the first switch leave it for a minute and then switch it off again. 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. One light and three switches.

November 17 2009 at 11 24 pm. Each corresponds to one of the three light bulbs in the attic. Go back downstairs and with each switch look to see what color of light is coming from the attic. After 5 minutes turn off switch s1 and turn on switch s2.

Left standard white middle yellow and right red. You can turn the switches on and off and leave them in any position. You can go into the room one time only to see the light. 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.

One of them controls a lamp in the attic and two of them do nothing. The door to the room is closed and there are no windows. There are three light switches outside a room. Riddle of the week 20.

You have no way to see into the attic or to see reflected light from the attic. Go up to the attic once with three different light bulbs and screw them into specific sockets. Inside is a single light bulb controlled by one of the three switches. There are three switches in the basement two of which are useless one is connected to a lightbulb in the attic.

Answer to the riddle there are three switches downstairs. Switch s3 is never turned on. There is no one there to help you. Check the remaining 2 light bulbs the one that is hot is controlled by switch s1.

Mar 16 2017 this week s riddle is a favorite among many. You need to determine which switch operates the bulb. Puzzle of the day 2059. Three switches puzzle you are in the basement of a house where there are are three identical on off switches.

Immediately enter the room.