Brain teasers are a fun and fascinating way to challenge our minds, testing our problem-solving skills and keeping our brains sharp. Maths brain teasers, in particular, are a favourite for many, offering an engaging way to test numerical thinking. But sometimes, these puzzles can be tricky enough to leave even the most logical minds stumped. If you’re a fan of maths brain teasers, then the latest puzzle shared on X (formerly Twitter) is sure to leave you scratching your head.

(Also read: IQ test: You're a genius-level problem-solver if you can crack this tricky number puzzle)
The puzzle
Shared by the account Brainy Quiz, the teaser reads:
"Only Geniuses, if 2 = 6, 3 = 12, 4 = 20, 5 = 30, 6 = 42, Then 9 = ?, Fail: 98%"
Check out the puzzle here:
At first glance, it may seem simple enough. But as soon as you start trying to figure it out, the real challenge begins. This puzzle plays with numerical patterns in a way that tricks your brain into overthinking, which is exactly what makes it so intriguing.
Earlier riddle leaves the internet confused
{{/usCountry}}At first glance, it may seem simple enough. But as soon as you start trying to figure it out, the real challenge begins. This puzzle plays with numerical patterns in a way that tricks your brain into overthinking, which is exactly what makes it so intriguing.
Earlier riddle leaves the internet confused
{{/usCountry}}This is not the first time the internet has been left puzzled by a maths riddle. Earlier, another brain teaser shared by X user Ganesh UOR got people talking, with many struggling to figure it out. The puzzle was as follows:
"IQ Test: 1+4=5, 2+5=12, 3+6=21, 8+11=?"
Similar to the current puzzle, the riddle seems straightforward at first. However, as people began to solve it, they realised that there’s more to it than meets the eye. Like most good brain teasers, it had people thinking outside the box, challenging their logic and testing their ability to identify hidden patterns.
The internet’s fascination with brain teasers
The internet’s love for brain teasers is undeniable. From simple riddles to complex maths puzzles, these challenges provide a great way to engage with a community of puzzle enthusiasts. Whether it's solving them for fun or posting them online to challenge others, these teasers spark curiosity and ignite the competitive spirit.
So, can you crack the puzzle? Look closely, try different angles, and maybe—just maybe—you’ll be among the 2% who succeed.