Intelligence test: Can you crack this simple yet confusing maths puzzle that has the internet stumped?
A tricky brain teaser shared on X challenged users with a simple equation.
Maths brain teasers are once again sweeping across the internet, capturing the curiosity and confusion of users who just can’t resist solving them. These puzzles, often deceptively simple in appearance, challenge not only basic arithmetic skills but also logical thinking and pattern recognition.

(Also read: Brain teaser: If you crack this confusing maths riddle, your IQ level is officially genius-tier)
‘Easy maths’ puzzle triggers confusion
One of the latest brain teasers gaining attention was shared by X user Ganesh UOR. The teaser looks straightforward at first glance but demands a careful approach to solve correctly. It reads:
“Easy maths: 30 + 30 + 30 + 10 × 3”
Check out the puzzle here:
While some might quickly sum up the numbers left to right, others remembered the BODMAS (Brackets, Orders, Division, Multiplication, Addition, Subtraction) rule, which changes the answer entirely. The multiplication must be done before the addition, leading to a different result than expected by many.
Another riddle bends the rules of maths logic
This isn’t the first time a maths challenge has left the internet puzzled. Another teaser, previously shared by X user @jitendra789789, had users scratching their heads in confusion. The brain teaser featured a series of seemingly incorrect equations:
"6 + 9 = 61, 5 + 8 = 46, 4 + 7 = 33, 3 + 6 = ?"
Viewers quickly realised that the puzzle wasn’t testing conventional arithmetic. Many attempted to identify a hidden pattern or logic behind the numbers. Some speculated that the right-hand side was derived from multiplying and adding in a non-standard way, while others proposed digit reversal or creative mathematical rules. The final answer, however, remains up for interpretation depending on the chosen logic.
(Also read: Logic test: If you crack this tricky riddle, you'll be crowned brainiac of the day)
The charm of brain teasers
Brain teasers like these have become a staple of social media, not only for entertainment but also as a way to engage users in problem-solving.
Whether you’re a maths enthusiast or just someone who enjoys a quick riddle, these puzzles offer a refreshing way to test your mental agility.
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. 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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