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The Maths League - [OCL] - [IOQM, RMO, INMO, IMO, ISI, CMI, AMC, AIME]
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#️⃣ The Mathematics League - [OCL] ✨ 📩 For Contact: t.me/MathsOCL?direct ⚠️ Promotion can be done only in Discussion Group with prior permission from Owner❗️ 📌Official Discussion Group of [OCL] - https://t.me/+SOQ2BkL-y3kzMGVl
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![The Maths League - [OCL] - [IOQM, RMO, INMO, IMO, ISI, CMI, AMC, AIME]](https://cdn.tlmtr.io/_next/image?url=https%3A%2F%2Fimg.tlmtr.io%2Fc%2F3U1d0o%2F6091675837204730247%3Fty%3Dx&w=64&q=75){kind=small}
Easy but Useful!
Prove that the result of the n choose r formula is always an integer! 🎉✨
Nice Problem, Source: NT Concepts and Problems - Titu Andreescu sir
Harvard MIT Mathematics Tournament (HMMT) Invitational Round Problems and Solutions Compendium (2013-2026)
@MathsOCL
HMMT Feb 2015 Invitational Problem 1 🥶
📚 AoPS Category-Wise Problem Collection
Sharpen your Olympiad preparation with carefully organized problem sets from Art of Problem Solving (AoPS).
🔹️ Number Theory 🔹️ Geometry 🔹️ Combinatorics 🔹️ Algebra
✨ Every category includes: 🔹️ Introductory Problems – Build your fundamentals. 🔹️ Intermediate Problems – Perfect for strengthening your problem-solving skills (IOQM level). 🔹️ Olympiad Problems – Challenge yourself with RMO/INMO-level questions.
🎯 Start from the level that matches your current preparation and gradually work your way up. Consistent practice is the key to Olympiad success! 💪
@MathsOCL
looks easy even is easy but has a a very beautiful idea behind it
Another Method Using Radical Centre
Diagram of this problem should be like this
