LCM and HCF Aptitude for WBPSC and Public Service Exams

Mastering quantitative aptitude is a critical step toward passing public service and competitive examinations. This text-based course guides you from the absolute basics of factors and multiples to advanced exam-style word problems, helping you build speed and accuracy. What you'll learn: - Understand the core mathematical definitions of Highest Common Factor (HCF) and Lowest Common Multiple (LCM). - Apply divisibility rules and prime factorization methods to find factors and multiples quickly. - Solve complex word problems by identifying hidden LCM and HCF patterns. - Practice mental math techniques and shortcut formulas designed specifically for timed competitive exams. - Master fraction-based and decimal-based LCM and HCF calculations. You will start with fundamental terminology and basic arithmetic properties before moving systematically through various problem types, algebraic applications, and exam-style practice scenarios. This course is designed for beginners preparing for WBPSC and other public service commissions, requiring only basic school-level arithmetic. Start reading today to sharpen your mathematical aptitude and boost your exam scores.