ADVERTISEMENT

Light Switches

Riddle:

there are 3 light bulbs in three seperate rooms. in front of you, there is a panel with 3 seperate switches. they only turn on or off. you may look inside each room only once. how can you tell which bulb belongs to which switch?

Answer:

you turn on any two switches, leave them for a few minutes, and turn one off. you enter each room only once. you know that the lightbulb that is lit beongs to the switch that was left on, the bulb that is off, but hot, belongs to the switch you turned off, and the cold bulb belongs to the switch you never touched.

Rated 5/5 based on 19 votes
light switches Riddle Meme.
light switches Riddle Meme with riddle and answer page link.
ADVERTISEMENT
The Riddles Mission

The Riddles.com mission is to be the be the world's most comprehensive riddle website on the internet for riddles, puzzles, rebus caps and quizzes. Our riddle library contains interesting riddles and answers to test visitors and evoke deep thought and community discussion. Riddlers will benefit from the creativity of our members who participate in growth of our online riddles and puzzles resource. We encourage you to become a member of Riddles.