Then switch 1 would be the switch.
Basement attic light switch riddle.
There are three light switches outside a room.
How can you find out which switch to which bulb corresponds.
The door to the room is closed and there are no windows.
You are in the basement of a house where there are are three identical on off switches.
Switch 1 leave on 5 minutes then shut off.
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.
Turn on one switch for five minutes then turn it off.
Switch 2 on 5 minutes then shut off.
You need to determine which switch operates the bulb.
You have no way to see into the attic or to see reflected light from the attic.
Switch 3 on 5 minutes then off.
The door is closed and you cannot see if the light is on or off through the door.
Flip a second switch and run up to the attic.
How can you figure out which light switch goes to which light bulb by only making 1 trip upstairs.
There are 3 switches downstairs each corresponding to one of the light bulbs upstairs.
If you have 3 switches downstairs have a time delay of 5 minutes between each switch.
The famous light bulb riddle.
If you go upstairs to the attic you are not allowed to return to basement.
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.
All of them are turned off and their switches are installed downstairs.
I was thinking about the light switches.
If the bulb is cold.
You must determine which needs saving and remove the other two.
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.
Go upstairs and touch the bulb.
The light on is the second and the light off is the switch you didn t flip.
However you know the light is off to start.
Outside of the closet there are three light switches.
There are three switches in the basement two of which are useless one is connected to a lightbulb in the attic.
You are in a basement with three light.
There are three light bulbs in your attic.
Inside is a single light bulb controlled by one of the three switches.
There is no one there to help you.