Post:
You have three switches in one room and a single light bulb in another room. You are allowed to visit the room with the light bulb only once. How do you figure out which switch controls the bulb? Write your answer in the comments before looking at other answers.
Comment:
If this were an interview question, the correct response would be "Do you have any relevant questions for me? Because have a long list of things that more deserving of my precious time than to think about this!
if hot they’re using out of date lighting, who the fuck uses incandescent bulbs this far into the 21st century? they have failed their interview with me.
The image does depict an incandescent filament bulb.
The question is outdated as fuck too. It’s not a new riddle.