Three Switches Puzzle Attic

The three switches downstairs in a house are three identical on off switches.

Three switches puzzle attic. Each corresponds to one of the three light bulbs in the attic. Each corresponds to one of the three light bulbs in the attic. The puzzle is to work out which switch controls the lamp. One of them controls the lamp in the attic.

Three switches and three light bulb logic puzzle there are three switches downstairs. Identify each switch with its bulb. If we have 2 of the switches on then when we go into the attic 2 of the light bulbs will be on. Outside of the closet there are three light switches.

Open the door and touch the light bulb. How can you find the switch for each bulb with one inspection. You may manipulate the switches as you wish but once you open the door you can t change them. You can turn the switches on and off and leave them in any position.

Let the bulbs be x y and z. In your cellar there are three light switches in the off position. You have no way to see into the attic or to see reflected light from the attic. There are three switches in the basement two of which are useless one is connected to a lightbulb in the attic.

This will tell us that the switch which is in an off position corresponds to the light bulb that s off in the attic. 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. Bulbs there are three switches downstairs. Turn it off and turn on switch y.

View notes reason puzzles from cs 704 at virtual university of pakistan. One of the switches controls the lightbulb in the closet. One of them controls a lamp in the attic and two of them do nothing. Puzzle of the day 2059.

You may move any of the switches but you may only go upstairs to inspect the bulbs one time. And if we have 1 switch on and the other 2 off then we know which switch corresponds to the light bulb that s on. Each switch controls 1 of 3 light bulbs on the floor above. Turn on switch x for 5 to 10 minutes.

Three switches puzzle you are in the basement of a house where there are are three identical on off switches. Outside the room there are three switches connected to the bulbs.