Flip a second switch and run up to the attic.
Basement attic light switch riddle.
The three light switches sonal september 16 2015 at 2 00 am reply.
However you know the light is off to start.
There are 3 switches downstairs each corresponding to one of the light bulbs upstairs.
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.
How can you figure out which light switch goes to which light bulb by only making 1 trip upstairs.
2 comments on riddle me this.
You must determine which needs saving and remove the other two.
Turn on one switch for five minutes then turn it off.
You can turn the switches on and off and leave them in any position.
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.
It s basically the same solution as our first idea.
Each corresponds to one of the three light bulbs upstairs in the attic.
There are three switches in the basement two of which are useless one is connected to a lightbulb in the attic.
There are three switches in a basement.
Switch on a bulb.