Then switch 1 would be the switch.
Basement attic light switch riddle.
Inside is a single light bulb controlled by one of the three switches.
You are in a basement with three light.
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.
Go upstairs and touch the bulb.
The light on is the second and the light off is the switch you didn t flip.
There are three light switches outside a room.
Flip a second switch and run up to the attic.
All of them are turned off and their switches are installed downstairs.
Switch 1 leave on 5 minutes then shut off.
The famous light bulb riddle.
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.
How can you find out which switch to which bulb corresponds.
You are in the basement of a house where there are are three identical on off switches.
There are 3 switches downstairs each corresponding to one of the light bulbs upstairs.
Test your brain logic by trying to solve this real life situation riddle.
Outside of the closet there are three light switches.
There are three light bulbs in your attic.
If the bulb is cold.
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.
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.
If you have 3 switches downstairs have a time delay of 5 minutes between each switch.
There are three switches in the basement two of which are useless one is connected to a lightbulb in the attic.
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.
You can play with the switches as much as you want and after that you can visit the attic above just once.
If you go upstairs to the attic you are not allowed to return to basement.
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.
I was thinking about the light switches.
However you know the light is off to start.
Switch 2 on 5 minutes then shut off.
How can you figure out which light switch goes to which light bulb by only making 1 trip upstairs.
There is no one there to help you.