IQ test: This baffling maths puzzle has everyone guessing. Can you crack it?
A brain teaser with odd equations puzzled users on X.
Brain teasers have always been a favourite pastime for people who enjoy testing their wits. From riddles to optical illusions, these puzzles have a unique charm that keeps the mind engaged. Now, a fresh maths puzzle shared online has once again left internet users scratching their heads.

(Also read: Brain teaser: Can you spot the gift that made her frown in 10 seconds?)
The puzzle that sparked curiosity
The puzzle, posted on Brainy Quiz, reads:
“IQ Test:: 2 + 5 = 35, 5 + 8 = 104, 6 + 9 = ?”
Check out the puzzle here:
At first glance, the equations look incorrect, but that is exactly the trick. The challenge lies in identifying the hidden pattern that connects the numbers. Those who love cracking unusual number games are diving into the puzzle to work out the missing answer.
Why people love solving maths brain teasers
Brain teasers like these are not only entertaining but also excellent exercises for the mind. They sharpen problem-solving skills, boost logical reasoning, and encourage creativity. Unlike straightforward equations, puzzles with unusual twists push people to think beyond the obvious.
Online communities add to the excitement, with users on Reddit, Facebook, and quiz forums turning these teasers into collective challenges. People exchange theories, debate possible answers, and sometimes even come up with multiple solutions. This shared curiosity not only strengthens problem-solving abilities but also creates a sense of connection among puzzle lovers.
(Also read: Optical illusion challenge: How many hidden cats can you spot in this image?)
Have you cracked it yet?
Whether or not you find the correct answer, the real joy lies in the process of trying. So, have you managed to solve this mind-bending teaser, or is it still keeping you guessing?
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. He primarily covers offbeat, trending and human-interest stories, with a focus on emerging social media trends, online conversations and real-world incidents that capture public attention. At Hindustan Times, Mahipal works on identifying and developing fast-moving digital stories, adding context and journalistic perspective to viral moments while maintaining accuracy, clarity and readability for online audiences. Before joining Hindustan Times Digital, he was associated with DNA India, where he gained experience in newsroom workflows and digital storytelling. He holds a degree in Journalism and Mass Communication from the Vivekananda Institute of Professional Studies, Delhi. Beyond journalism, he has a keen interest in history and sports and enjoys expanding his general knowledge.Read More

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