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.
