Number System and Basic Mathematics for CAT Prep

Mastering the number system is the vital first step to scoring high in the quantitative aptitude section of competitive exams. This text-based course guides you through core mathematical concepts, turning complex numerical properties into clear, actionable problem-solving tools. By reading through our structured explanations and practicing step-by-step math problems, you will develop the speed, accuracy, and analytical skills needed to tackle any number-related challenge on exam day. You will learn to: Understand the fundamental classification of numbers, including integers, primes, and rational properties; Apply divisibility rules and remainder theorems to solve complex arithmetic problems efficiently; Master concepts of factors, multiples, highest common factor (HCF), and lowest common multiple (LCM); Solve equations involving unit digits, cyclicity, and trailing zeroes with systematic techniques; Practice algebraic simplifications and base system conversions through written explanations; Develop mental math strategies and modern logical frameworks to approach quantitative aptitude questions. The course begins with foundational definitions of number classifications before progressing to advanced divisibility properties and remainder theorems. You will learn to break down word problems systematically using only clear, written explanations and guided mathematical derivations. This course is designed for beginners preparing for competitive exams like CAT, requiring no advanced mathematical background to start. Start building your quantitative aptitude foundation today.