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This tricky maths brain teaser has people scratching their heads, can you solve it?

A maths brain teaser puzzled social media users with tricky number patterns.

Published on: Mar 4, 2025, 14:29:02 IST
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Mathematics has always been a subject that divides opinions. For many students, solving equations during school days was a daunting task. However, when maths is presented in the form of brain teasers, the reaction is completely different. These puzzles, which require logic and pattern recognition, have become a favourite pastime on social media.

A maths brain teaser left internet users confused as they tried to crack its pattern. (X/@GeometryPuzzles)
A maths brain teaser left internet users confused as they tried to crack its pattern. (X/@GeometryPuzzles)

If you enjoy testing your brain with tricky number patterns, we have a challenge for you!

(Also read: You'll be called maths wizard of the day if you crack this tricky puzzle in 15 seconds)

The brain teaser that has everyone stumped

A mind-boggling maths puzzle was shared by an account named Math Lover and presents the following sequence:

10 = 90, 9 = 72, 8 = 56, 7 = 42, 5 = ?

Check out the post here:

This is not the first time a maths brain teaser has caught the internet’s attention. Previously, a similar puzzle was shared by a user named @jitendra789789, which read:

1+3 = 9, 2+4 = 13, 3+5 = 17, 4+6 = ?

This seemingly simple equation had netizens struggling to understand the reasoning behind it. Some users quickly spotted the pattern, while others were left scratching their heads.

Why do maths brain teasers go viral?

Mathematical brain teasers have a unique appeal. Unlike traditional school problems, they are presented as challenges rather than tests, making them more engaging. People love the thrill of solving puzzles, and social media allows for instant interaction and debate over possible solutions.

These teasers also tap into the human brain’s love for patterns. They encourage logical thinking, problem-solving skills, and creativity—all in a fun and pressure-free way. Moreover, the competitive nature of social media means that users enjoy showing off their intelligence by solving the puzzle before others.

 
ABOUT THE AUTHOR
Mahipal Singh Chouhan

Mahipal 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.

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