IQ test: You're a genius-level problem-solver if you can crack this tricky number puzzle
A mind-bending brain teaser shared on X puzzled the internet.
Whether it’s a jigsaw, crossword, or a tricky brain teaser, there’s something undeniably addictive about solving puzzles. That moment when everything falls into place brings a sense of triumph – a small but fulfilling mental victory. For many, the real joy lies not just in the solution but in the process: the confusion, the pattern-spotting, and finally, the "aha!" moment.

(Also read: Eye-test challenge: Can you count all the horses in this optical illusion to earn the title of puzzle expert?)
Puzzle that's got everyone guessing
Now, a maths riddle shared by an X (formerly Twitter) user named Ganesh UOR has reignited the internet’s love for logical challenges. The puzzle reads:
"IQ Test: 1+4=5, 2+5=12, 3+6=21, 8+11=?"
At first glance, it appears to follow standard arithmetic, but look closer and the pattern is far from ordinary. The riddle has left many scratching their heads, each offering their own theories about the hidden logic behind these unusual equations.
Check out the puzzle here:
Another teaser
This isn’t the first time such brain teasers have captured attention. Previously, another maths puzzle shared by the popular X account “Math Lover” made waves online. That riddle reads:
“6 = 12, 5 = 15, 4 = 16, 8 = ?”
Again, a simple equation at face value, but packed with enough mystery to keep minds ticking.
(Also read: Only a super sharp mind can solve this tricky number puzzle that has baffled the internet)
Why these puzzles are so addictive
So, what makes maths brain teasers so addictive? It’s the blend of simplicity and complexity. They often look deceptively easy, pulling you in with familiar numbers and symbols. But as you dig deeper, the real challenge begins. That moment when the pattern finally clicks offers a small but satisfying sense of victory—a mini dopamine hit that leaves you wanting more.
In a fast-scrolling digital world, these puzzles give people a reason to pause, think, and engage. And judging by the reactions, the internet isn’t getting tired of them anytime soon.
Have you cracked the puzzle yet?
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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