Three Light Switches Attic Riddle

There are three light switches outside a room.

Three light switches attic riddle.

The door to the room is closed and there are no windows. After 5 minutes turn off switch s1 and turn on switch s2. Check the remaining 2 light bulbs the one that is hot is controlled by switch s1. You need to determine which switch operates the bulb.

Go back downstairs and with each switch look to see what color of light is coming from the attic. Switch s3 is never turned on. Inside is a single light bulb controlled by one of the three switches. Left standard white middle yellow and right red.

Puzzle of the day 2059. Riddle of the week 20. Turn on switch s1. Then switch on the second switch and enter the room.

There are three switches in the basement two of which are useless one is connected to a lightbulb in the attic. With the door closed from outside the room you can turn the light switches on or off as many times as you would like. 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 11 24 pm.

November 17 2009 at 10 16 pm. There is no one there to help you. It s basically the same solution as our first idea. No diversions into logical theory or.

Mar 16 2017 this week s riddle is a favorite among many. Three switches puzzle you are in the basement of a house where there are are three identical on off switches. One of them controls the incandescent light bulb inside the room. 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.

You have no way to see into the attic or to see reflected light from the attic. One light and three switches. How would you identify which switch corresponds to which light bulb if you are only allowed one trip upstairs. Answer to the riddle there are three switches downstairs.

Switch on the first switch leave it for a minute and then switch it off again. You can turn the switches on and off and leave them in any position. The light bulb that is on is controlled by switch s2. You must determine which needs saving and remove the other two.

Let s name the switches s1 s2 and s3. Each corresponds to one of the three light bulbs in the attic. Immediately enter the room. Go up to the attic once with three different light bulbs and screw them into specific sockets.

One of them controls a lamp in the attic and two of them do nothing.