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Brain teaser: You’ll be declared internet’s human calculator if you crack this tricky maths riddle

A maths puzzle shared on X went viral as users tried cracking the odd equations.

Published on: Sep 01, 2025 09:30 PM IST
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Brain teasers have always held a special place in the world of puzzles. They challenge the mind, encourage lateral thinking and often provide a refreshing break from routine problem-solving. These puzzles come in many forms, from riddles and visual illusions to logical patterns, but one of the most engaging types is the maths brain teaser.

A maths puzzle shared on X puzzled users. (X/@jitendra789789)
A maths puzzle shared on X puzzled users. (X/@jitendra789789)

(Also read: Brain teaser: You’ll be crowned problem solver of the day if you crack this maths riddle)

The puzzle

A recent example that caught the attention of social media users was shared on X (formerly Twitter) by user @jitendra789789. The puzzle read:

“6+7=49, 8+7=63, 10+7=77, 12+7=?”

Check out the puzzle here:

Maths teasers are especially popular because they allow people to play with numbers in a way that feels both enjoyable and mentally stimulating. Unlike classroom-style problems, they do not demand rigid textbook knowledge. Instead, they reward logical thinking, creative reasoning and the ability to notice hidden patterns.

What makes them so captivating is the element of surprise. Solvers often experience a moment of clarity when the logic finally clicks. For many, the real thrill lies not in reaching the final answer but in exploring the different paths that lead there.

The lasting charm of puzzles

One reason these teasers continue to flourish online is their universal appeal. Anyone can attempt them, regardless of age or background. They ignite curiosity among children, provide amusement for casual solvers, and even intrigue serious puzzle enthusiasts.

The latest teaser shared by @jitendra789789 is another example of how a simple number puzzle can spark widespread interest. Whether solved in seconds or pondered over for hours, it offers a refreshing exercise for the mind and celebrates the playful side of mathematics.

So, have you managed to solve it yet?

 
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. 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.

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