How can you find out which switch to which bulb corresponds.
Basement attic light switch riddle.
If you go upstairs to the attic you are not allowed to return to basement.
Turn on one switch for five minutes then turn it off.
However you know the light is off to start.
The door is closed and you cannot see if the light is on or off through the door.
You must determine which needs saving and remove the other two.
There are 3 switches downstairs each corresponding to one of the light bulbs upstairs.
You can play with the switches as much as you want and after that you can visit the attic above just once.
As long as you don t stop for a beer before running up the light that s off but warm to the touch is the first switch.
There are three light bulbs in your attic.
Switch 3 on 5 minutes then off.
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.
You have no way to see into the attic or to see reflected light from the attic.
You are in a basement with three light.
All of them are turned off and their switches are installed downstairs.
If insulation is packed too tightly around the light fixture it may be trapping heat around the light fixture canister causing the limit switch to overheat and shut down the light fixture.
Then switch 1 would be the switch.
You are in the basement of a house where there are are three identical on off switches.
Install a lower wattage lightbulb if necessary.
Switch 2 on 5 minutes then shut off.
Outside of the closet there are three light switches.
The light on is the second and the light off is the switch you didn t flip.
I was thinking about the light switches.
Go upstairs and touch the bulb.
Flip a second switch and run up to the attic.
Compare the wattage on the light bulb with the rating printed on the light fixture.
It s basically the same solution as our first idea.
How can you figure out which light switch goes to which light bulb by only making 1 trip upstairs.
Switch 1 leave on 5 minutes then shut off.
One of them controls a lamp in the attic and two of them do nothing.
Test your brain logic by trying to solve this real life situation riddle.
If the bulb is cold.