Maths Ka Dar Khatam! 🔥 Ratio & Proportion Complete Chapter | CA Foundation Maths | Sep 2026

🔥Maths Ka Dar Khatam! 🔥 In this video, we cover the Complete Chapter of Ratio & Proportion for CA /CMA Foundation Business Mathematics (September/Dec 2026 Exam target). If you have a non-maths background or feel a phobia of mathematics, this comprehensive revision series is designed for you. We break down core formulas from basic to advanced levels and solve the ICAI Study Module Exercise 1A & Exercise 1B using time-saving short tricks like the Trial & Error Method! 📚 Download Notes: Join our Telegram: t.me/SudipShawClasses 📌 CHAPTER TIMESTAMPS: 00:00:00 - Introduction & Faculty Overview 00:01:54 - Concept 1: What is a Ratio? (Antecedent & Consequent) 00:02:45 - Concept 2: What is a Proportion? (Product of Extremes & Means) 00:03:55 - Concept 3: Mean Proportion formula 00:04:54 - Concept 4: Inverse, Duplicate, & Sub-Duplicate Ratios 00:06:08 - Concept 5: Triplicate & Sub-Triplicate Ratios 00:07:03 - Concept 6: Compound Ratio 00:07:54 - Concept 7: Third & Fourth Proportions 00:09:48 - Concept 8: Properties (Invertendo, Alternendo, & Componendo) 00:11:58 - Concept 9: Dividendo & Addendo Properties 00:14:10 - ICAI Study Module: Exercise 1A (Ratio Solutions Begin) 00:15:03 - Q1 & Q2: Inverse Ratio & Finding the Consequent 00:16:40 - Q3 & Q4: Advanced Inverse & Compound Ratio Calculation 00:19:00 - Q5 & Q6: Duplicate & Sub-Duplicate Practice 00:20:05 - Q7 & Q8: Triplicate & Sub-Triplicate Practice 00:21:20 - Q9 & Q10: Mixed Compound & Multi-Ratio Problems 00:24:35 - Q12: Advanced Variable Substitution (2a+3b Ratio) 00:26:00 - Q13: Word Problem Trick (Trial & Error Method) 00:30:10 - Q14: Properties of Angles in a Triangle 00:31:45 - Q15: Dividing Amounts into Ratio Parts 00:33:35 - Q16: Unitary Method for Uniform Time Ratios 00:36:00 - ICAI Study Module: Exercise 1B (Proportion Solutions Begin) 00:36:10 - Q1 & Q2: Finding Fourth & Third Proportionals 00:37:25 - Q3 & Q4: Mean Proportional Calculations 00:39:35 - Q8 & Q9: Continuous K-Method Simplifications 00:41:40 - Q10: Trick for Decimal Multi-Variables (PS:QR) 00:43:45 - Q12: Cross-Multiplication for X:Y Variables 00:45:50 - Q13: The Continuous Ratio "N-Shape" Short Trick (A:B:C) 00:50:00 - Q17: Age-Based Word Problems via Trial & Error 00:51:50 - Q18: Correcting Terms to Make Numbers Proportional 00:53:00 - Q19 to Q22: Identifying Theoretical Properties Summary 00:55:05 - Outro & Upcoming Revision Schedule About Sudip Shaw Classes: We specialize in providing high-quality commerce education, conceptual clarity, and exam-oriented revision series for CA Intermediate, CMA, and CA Foundation students to clear their professional milestones on the very first attempt. Make sure to SUBSCRIBE to the channel so you don't miss the upcoming revision videos on Indices, Logarithms, and Accounting papers! #CAFoundationMaths #RatioAndProportion #CAFoundationSep2026 #BusinessMathematics #CAFoundationRevision #SudipShawClasses #ICAIModuleSolutions#cmafoundation