Three Switches Puzzle Attic

You can flip the switches however you want but once you open the door you can no.

Three switches puzzle attic.

Let the bulbs be x y and z. The puzzle is to work out which switch controls the lamp. You may move any of the switches but you may only go upstairs to inspect the bulbs one time. You may manipulate the switches as you wish but once you open the door you can t change them.

Bulbs there are three switches downstairs. Turn on switch x for 5 to 10 minutes. 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. Each switch controls 1 of 3 light bulbs on the floor above.

You can turn the switches on and off and leave them in any position. This will tell us that the switch which is in an off position corresponds to the light bulb that s off in the attic. Outside of the closet there are three light switches. One of the switches controls the lightbulb in the closet.

If we have 2 of the switches on then when we go into the attic 2 of the light bulbs will be on. 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. Open the door and touch the light bulb.

Each corresponds to one of the three light bulbs in the attic. In your cellar there are three light switches in the off position. There are three switches in the basement two of which are useless one is connected to a lightbulb in the attic. One of them controls the lamp in the attic.

The three switches downstairs in a house are three identical on off switches. One of them controls a lamp in the attic and two of them do nothing. It s basically the same solution as our first idea. Each corresponds to one of the three light bulbs in the attic.

Turn it off and turn on switch y. You must determine which needs saving and remove the other two. Three switches and three light bulb logic puzzle there are three switches downstairs. View notes reason puzzles from cs 704 at virtual university of pakistan.

You have no way to see into the attic or to see reflected light from the attic. 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.