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Only a keen thinker can crack this mind-boggling brain teaser that 99% fail to solve

A brain teaser shared on X left many stumped, challenging users with unconventional maths equations.

Published on: Jan 31, 2025, 21:29:02 IST
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Brain teasers have always been a favourite pastime for many, offering a mix of fun, challenge, and mental stimulation. Whether they make us think deeply, confuse us with tricky logic, or simply offer an entertaining diversion, brain teasers have a unique ability to captivate our attention. If you're one of those who love cracking these puzzles, we've got a new treat for you.

A brain teaser shared on X left many puzzled. (X/@brainyquiz_)
A brain teaser shared on X left many puzzled. (X/@brainyquiz_)

(Also read: Brain teaser: If you crack this numerical puzzle, you'll be called a math wizard)

The latest math teaser

Recently, a mind-boggling math brain teaser was shared on X (formerly known as Twitter) by an account called Brainy Quiz. It reads:

“99% fail to give the answer. 1 + 4 = 5, 2 + 5 = 12, 3 + 6 = 21, 8 + 11 = ?”

Take a look here at the puzzle:

At first glance, the numbers seem simple, but the trick lies in the pattern that links them together. While the sequence might appear straightforward, it’s actually designed to make you think twice about basic arithmetic.

Why is it so confusing?

The teaser takes a creative approach to mathematical operations, which challenges the way we normally think about addition and multiplication. Many people, when first faced with the puzzle, try to apply traditional rules of arithmetic. However, as soon as they hit a wall, the true nature of the puzzle becomes clear: it requires thinking outside the box and looking for a hidden rule that governs the numbers.

(Also read: Brain teaser: If you can spot the hidden deer in this desert scene, you have eagle-eyed vision)

Another mind-bender

This new teaser is not the only puzzle making waves on X. A previous brain teaser posted by another user also gained significant attention. The challenge read:

"11 ÷ 11 ÷ 11 = ?"

This seemingly simple equation has sparked heated discussions, with people offering various interpretations and solutions. The answer to this one? Well, it's another example of how context and the order of operations can lead to surprising results.

The appeal of brain teasers

These kinds of puzzles are more than just tests of intellect; they are a way to engage the mind, encourage creative thinking, and even provide a sense of accomplishment when cracked. Whether it's a math problem or a word puzzle, brain teasers continue to capture the imagination of people, sparking curiosity and lively debates online. So, if you're ready for a challenge, give these teasers a try, and see if you can figure out the answers!

  • Mahipal Singh Chouhan
    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.Read More

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