If A:B=4:5, B:C=7:9, C:D=3:4, and if A's share is ₹1680, The share of D is ?

​Welcome to Thalaivasal TNPSC Coaching Centre! 📚🏆 ​In this video, we explain the most important "Ratio and Proportion" (விகிதம் மற்றும் விகிதாச்சாரம்) Type-3 shortcut methods in Tamil. This smart trick will help you solve complex math problems in just a few seconds without using long formulas! ​This class is highly useful for students preparing for TNPSC (Group 1, 2, 2A, 4), TET, and Bank Exams. ​📌 What you will learn in this video: If A:B=4:5, B:C=7:9, C:D=3:4, and if A's share is ₹1680, The share of D is ? ​R.S. Aggarwal Ratio & Proportion Type 3 Solutions. ​Time-saving calculation tricks for competitive exams. ​Step-by-step clear explanations in Tamil. ​🎯 Join Our Direct Classes! Looking for the best guidance to clear your government exams? Admissions are open at our coaching center located in Salem District. 📞 Contact for Admissions & Course Details: 9976205995 ​👇 Don't forget to: 👍 LIKE this video if you found the shortcut helpful! 🔄 SHARE it with your friends who are preparing for exams. 🔔 SUBSCRIBE to our channel for more math shortcuts and exam strategies. ​📋 Check out our other subject-wise playlists on the channel page for complete preparation! Also, don't miss to participate in the daily quizzes posted on our Community Tab Polls to test your knowledge! ​#TNPSCMaths #RatioAndProportion #TNPSCTamil #ThalaivasalTNPSCCoachingCentre #TNPSCGroup4 #TNPSCGroup2 #BankExamsTamil #TETMathsTamil #MathsShortcutsTamil #CompetitiveExamsTamil #SalemDistrict #TNPSCPreparation #RSAggarwalMaths #TNPSCCurrentAffairs