IQ test: Think you’re a genius? Try solving this maths puzzle that’s baffling the internet
Can you solve this tricky maths puzzle shared on X?
Maths brain teasers have always held a special place in the hearts of puzzle enthusiasts. These tricky riddles not only stretch your imagination but also test your logic and analytical skills in the most unexpected ways. If you’re searching for a fresh challenge to flex your brain muscles, we have got just the thing for you.

(Also read: Only a super sharp mind can solve this tricky number puzzle that has baffled the internet)
Recently, a tough brain teaser has been shared on X (formerly Twitter) by an account called Brainy Quiz, sparking curiosity and debate among users.
It reads:
"IQ Test: 10 + 10 = 20, 20 + 20 = 60, 30 + 30 = 120, 40 + 40 = ??"
Check out the puzzle here:
At first glance, it looks like basic addition. But a closer look suggests there’s a hidden pattern that needs to be cracked — and it’s not as straightforward as it seems. Many users have shared their guesses, only to realise that standard maths rules might not apply here.
Another puzzle that left users scratching their heads
This isn’t the first time a brain teaser has captured attention. Earlier, another mind-bending puzzle was shared on X by an account called Math Lover. It presented a seemingly simple yet surprisingly complex pattern:
“6 = 12, 5 = 15, 4 = 16, 8 = ?”
(Also read: If you can crack this mind-bending maths brain teaser in 15 seconds, your brainpower is extraordinary)
Again, users were quick to jump into the comments section, offering a range of solutions. Some tried to apply multiplication tricks, while others looked for a pattern in subtraction or addition. Regardless of the method, it became clear that solving these puzzles required thinking outside the box.
Why internet loves brain teasers
From optical illusions to riddles, the internet’s love for mind games shows no sign of slowing down. Brain teasers like these not only offer a fun distraction but also stimulate critical thinking and problem-solving skills. They challenge the brain in ways that everyday tasks often do not.
If you think you've got what it takes, why not give these puzzles a try? And if you're stuck, don’t worry — you're not alone. Sometimes, the joy lies in the journey of figuring it out, not just the final answer!
ABOUT THE AUTHORMahipal Singh ChouhanMahipal Singh Chouhan is a Senior Content Producer at Hindustan Times Digital, with nearly five years of experience in digital journalism and content production. His work primarily focuses on offbeat and trending stories that reflect everyday experiences and evolving conversations on the internet. He has consistently worked on transforming viral content and human interest stories into structured news pieces that engage readers while maintaining editorial clarity. At Hindustan Times, Mahipal contributes to identifying and developing stories emerging from social media trends, online communities, and real-world incidents that capture public attention. His approach involves adding context and journalistic perspective to fast-moving digital narratives, helping present viral moments in a clear and reader-friendly format suited for digital audiences. Before joining Hindustan Times Digital, he was associated with DNA India, where he gained experience in newsroom workflows and digital storytelling practices. Mahipal holds a degree in Journalism and Mass Communication from the Vivekananda Institute of Professional Studies, Delhi. He is particularly interested in tracking emerging trends and understanding how online conversations evolve into broader public discussions. His work reflects a focus on accuracy, readability, and relevance in the rapidly changing digital news environment. Outside of his professional responsibilities, Mahipal takes an interest in history and sports and regularly works on improving his general knowledge, which complements his curiosity as a media professional.Read More

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