You'll Need to Think Very Creatively To Solve This: Which Light Bulb Is Connected To The Right Switch?

Written by Henrik Rothen

Dec.30 - 2023 10:10 AM CET

Photo: Private
Photo: Private
Which light bulb is connected to the right switch?

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Tackling brain teasers not only sharpens your mind but also strengthens your memory and provides endless entertainment.

These aren't just ordinary puzzles or riddles; brain teasers are a unique form of mental exercise. They typically demand lateral thinking, which means you need to think outside the box. The solutions aren't immediately obvious and require a bit of imaginative reasoning.

Ready for a challenge? Below is an intriguing brain teaser that will test your creative problem-solving skills. Do you think you're up for it?

Remember, the answers to these teasers are just below each one. So, be careful not to scroll too far and accidentally peek at the solution!

Alright, let's dive in!

Brain Teaser: Tell which switch is connected to each of the light bulbs

Photo: Private

You are in a room that has three switches and a closed door. The switches control three light bulbs on the other side of the door. Once you open the door, you may never touch the switches again. How can you definitively tell which switch is connected to each of the light bulbs?

Solution:

Turn on the first two switches. Leave them on for five minutes. Once five minutes has passed, turn off the second switch, leaving one switch on. Now go through the door. The light that is still on is connected to the first switch. Whichever of the other two is warm to the touch is connected to the second switch. The bulb that is cold is connected to the switch that was never turned on.

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