Welcome to the Quantitative Aptitude lectures by TestCoach Powered by S Chand. Explore essential topics and boost your mathematical and analytical skills for competitive exams and academic pursuits. In this course, you will find key concepts of Quantitative Aptitude including: Arithmetic: Number Systems, Percentages, Ratio and Proportion, and Profit & Loss Algebra: Linear and Quadratic Equations, Inequalities and more with shortcuts for quick calculations practice exercises.