Home » Brain teaser: is your IQ high enough to solve this 1-matchstick move challenge in under 15 seconds?

Brain teaser: is your IQ high enough to solve this 1-matchstick move challenge in under 15 seconds?

Think you’re smart enough to solve a brain-busting challenge? Here’s a teaser titled Brain teaser: Is your IQ high enough to solve this 1-matchstick move challenge in under 15 seconds? Test your intelligence, quick thinking, and problem-solving skills. Can you complete it in less than 15 seconds? Let’s find out!

Do you like puzzles that get your brain juices flowing? Are you a fan of brain teasers that test your mental agility?

If so, we’ve got the perfect 1-matchstick move challenge for you. This brain teaser will not only test your logic but also your speed and agility.

You have exactly 15 seconds to solve it. Are you up for it?

The initial setup

Our equation is composed of roman numerals, each carefully crafted using matchsticks.

© Pixelsmashers

Here’s the initial, incorrect equation: I + II + III = III. This equation, as you can see, is currently false.

Your mission, if you choose to accept it, is to correct this equation by moving just one matchstick.

Your mission

Remember, you’ve got 15 seconds to solve this puzzle. It might seem like an easy task at first, but don’t let the simplicity fool you; it’s trickier than it seems.

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The key to this puzzle is to move only one matchstick. That’s right, just one! Think you can handle it?

The solution

Time’s up! Did you figure it out? If you’ve been scratching your head, here is the solution: II – II + III = III.

By moving just a single matchstick from the first ‘plus’ symbol and turning it into a ‘minus’ symbol, we have a correct equation. Brilliant, isn’t it?

© Pixelsmashers

Did you manage to solve it within the given time frame? If so, congratulations! You’ve got a high IQ and sharp problem-solving skills.

If you didn’t, don’t worry, there’s always next time. Now, why not share this brain teaser with your friends on social media? See if they can solve it in under 15 seconds.

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Go on, challenge them!

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Damien Cooper
Written by: Damien Cooper
Over the last ten years, I've been honing my abilities as a web writer, fueled by my lifelong passion for storytelling. Crafting alluring content that transports readers to alternate worlds and provides a reprieve from the mundane is a source of pride for me. My writing is diverse, spanning from pieces on cutting-edge video games to captivating entertainment articles, with the ultimate goal of entertaining and motivating readers. It's my pleasure to share my enthusiasm with you and venture forward together in pursuit of novel experiences!