Sets & Relations for NDA, SCHOOL, IIT 2025 – Basics to Advance | Venn Diagrams Made Easy"

👉Telegram Channel for NDA (Video PDF): https://t.me/self_selection_board_nda 👉Telegram Channel for CDS,NDA,AFCAT or TA(Video PDF): https://t.me/Self_Selection_Board_SSB 👉Maths Playlist :    • Complete NDA Maths Playlists Classes for F...   One Shot | Marathon Sets, Relations & Functions | Full Chapter in Simple Words | Maths Made Easy Confused between Sets, Relations & Functions? 😵 Don't worry — this video breaks down all three topics in the easiest possible way: ✅ What is a Set? ✅ Types of Sets (Empty, Finite, Infinite...) ✅ Venn Diagrams & Set Operations ✅ What is a Relation? ✅ Domain, Range, and Ordered Pairs ✅ What is a Function & How to Identify One? ✅ Real-life examples + Shortcut Tricks Perfect for Class 11, NDA/CDS aspirants, or anyone who wants to build strong basics in Maths. 🎯 Watch till the end for a BONUS tip to avoid silly mistakes in exams! 📄 Free PDF Notes & Practice Questions in Comments. 🎥 Don't forget to Like, Share & Subscribe for more Maths Made Easy videos! 00:00:00 - Introduction & Mission 00:01:05 - What is a Set? (Definition & Examples) 00:02:06 - Roster Form vs. Set-Builder Form 00:03:28 - Types of Sets (Finite, Infinite, Null, Singleton) 00:04:42 - Cardinal Number & Equal/Equivalent Sets 00:05:20 - Subsets & Proper Subsets 00:06:35 - Number of Subsets Formula (2ⁿ) 00:07:19 - Power Sets & Belongs To (∈) vs. Subset (⊆) 00:09:34 - Union (∪) & Intersection (∩) Explained 00:10:51 - Set Difference (A - B) & Complement (A’) 00:12:04 - Symmetric Difference (A Δ B) 00:13:16 - Venn Diagrams & Universal Set (U) 00:15:58 - n(A∪B) Formula & 3-Set Problems 00:18:36 - Word Problems (Students, Medals, Surveys) 00:23:48 - George Cantor (Father of Set Theory) 00:25:13 - 3-Set Venn Diagram (Football, Basketball, Cricket) 00:30:19 - MCQs (Finite, Infinite, Null, Singleton Sets) 00:32:47 - MCQs (Subsets & Power Sets) 00:35:51 - MCQs (Union, Intersection, Complement) 00:43:33 - Final Recap & Problem Solving 01:03:54 - Conclusion & Revision Strategy