People stumped by pen challenge as only those with seriously high IQ can solve it

Britons are scratching their heads over this bewildering brainteaser- even after they've been given the solution.

Think you're the cleverest clogs in the household? Or believe you're a modern-day mastermind with razor-sharp vision and robust analytical abilities?

Well, it's time to put that notion to the test with this punishingly difficult puzzlethat's guaranteed to leave you flummoxed. Brain teasers like these aren't merely a brilliant way to showcase your intellect and compete with your relatives; studieshave demonstrated puzzles can genuinely have a beneficial effect on the central nervous system, enhancing your focus levels and attention span. So, let's dive straight in.. In other news,only those with 'detective skills' can solve this.

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TikTokuser Mr Tricks, who has accumulated a staggering 239,000 followers thanks to his optical illusions and brain teasers. In a recent clip, he arranges 10 pens in four clusters numbered one-four based on how many pens are positioned together.

"Currently there are 10 pens set up 1, 2, 3, and 4 from left to right," he explained. "So we have to move one pen and put it in any place and the order would be reversed. There would be 4, 3, 2, and 1. Can you solve this? Take your time."

We're not revealing any hints on this one, so you'll simply have to think beyond the obvious... Ready to surrender? Scroll down to the bottom of the article or watch the complete video to discover the answer. If that brainteaser proved no challenge for someone with a sky-high IQ like yourself, don't fret.

READ MORE: Just 1% of people can find the elephant hidden in incredibly hard optical illusion

We've got a mini quiz that might appear straightforward, but is crafted to trip you up. Did you find it tough to answer all the questions, or do you reckon you've nailed a perfect 5/5?

How many pairs of animals did Moses take on the Ark?

You're in a race and pass the person in 3rd place. So, what place are you in now?

John's father had three sons: Snap, Crackle, and...?

If a plan crashes right in between France and Spain. Where do you bury the survivors?

If it takes seven people seven minutes to eat seven burgers, how long will it take 30 people to eat 30 burgers?

You can verify your answers here.

ANSWER: Shift the 9th pen into the gap between the 1st pen. This should form a 4,3,2,1 pattern.

Fancy another brain workout? Have a gander at our collection of tricky brainteasers, riddles, and puzzles here. Or, discover more about your hidden personality traits with these mind-boggling optical illusions.