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An Interesting Problem on Inequalities and Number Theory
Introduction The following problem appeared in the IOQM 2023 paper. There is a brute force solution for this, where we either...
Abhinandan Saha
Jul 19, 20253 min read
The Rubik’s Cube as a Mathematical Mirror
How Group Theory Makes a Toy into a Tool The Rubik’s Cube has always been more than a puzzle to me. It’s a perfect entry point into...
Abhinandan Saha
Jun 7, 20252 min read
ISI 2025 UG Entrance Examination
I’ve put together a detailed solution set for the ISI entrance exam—step-by-step explanations, alternative methods, and insights into the problem-solving process. Whether you're preparing seriously or just curious, this guide will help you think like a good problem solver.
Abhinandan Saha
Jun 7, 20251 min read
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