Brain teaser: If you crack this tricky maths puzzle, you’ll earn the crown of ultimate genius
A brain teaser shared on X went viral, sparking 1.3k comments and 23k views as users debated solutions and shared humorous guesses.
Brain teasers have long been a favourite pastime for those who enjoy challenging their minds. If you’re a puzzle enthusiast, you’re in for a treat! A new brain teaser has been making waves online, and it’s got people scratching their heads and laughing in equal measure.

(Also read: Only a puzzle ninja can count all opened locks in this brain teaser within 30 seconds)
The puzzle
The latest brain teaser, shared on X (formerly Twitter) by a user named Brainy Bits Hub, has sparked an engaging debate online. The puzzle reads:
“9 = 72, 8 = 56, 7 = 42, 6 = 30, 5 = 20, 3 = ??”
With over 1.3k comments and 23k views, this intriguing teaser has piqued the curiosity of thousands. The post’s comment section is a mix of serious attempts, humorous responses, and creative theories, as users try to decode the mysterious pattern.
Check out the puzzle here:
Netizens share their theories and laughs
As the teaser gained traction, the responses poured in, ranging from logical equations to outright hilarious guesses.
One user confidently theorised, “It’s simple arithmetic: multiply the number by itself!” While another cheekily replied, “Clearly, it’s the amount of sleep I’ve been missing trying to solve this!”
Some users approached the teaser with a humorous twist. One comment read, “The answer is whatever you want it to be—just like life!” Another quipped, “I solved it, but I’m keeping the answer a secret. Call it a mystery!”
(Also read: Brain teaser: This tricky question decided the fate of candidates in an HR round. Can you solve it?)
On the other hand, some users genuinely grappled with the puzzle, engaging in detailed debates. One thoughtful response suggested, “It’s 12 if you follow a specific pattern—just look at the divisor logic!” Meanwhile, another exclaimed, “No way! It’s gotta be 15; you’re overcomplicating it!”
If you’re intrigued, why not try solving it yourself? The beauty of brain teasers lies in the journey of discovery, not just the 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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