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Preparing for the Teacher Eligibility Test (TET) requires a solid grasp of core mathematical concepts, starting with the fundamentals of numbers. LCM and HCF are crucial topics that frequently appear on the exam, yet many candidates struggle with quick calculation methods. This text-only course is designed to guide you from basic arithmetic concepts to exam-ready problem-solving strategies. You will read clear explanations, study step-by-step solved examples, and practice with exam-style questions to build both speed and accuracy. What you'll learn: Understand foundational number theory, including factors, multiples, prime, and co-prime numbers; Master the prime factorization method and division method to find LCM and HCF quickly; Apply the relationship between LCM and HCF to solve complex algebraic and word problems; Practice solving typical exam questions with detailed, step-by-step written solutions; Develop mental math techniques and shortcut strategies to save time during the exam. The course starts with essential definitions and mathematical terminology before moving on to practical calculation methods. You will then progress to real-world applications, word problems, and structured practice questions modeled after recent exam patterns. This course is ideal for aspiring teachers preparing for the TET who want to strengthen their quantitative aptitude from scratch. No advanced mathematical background is required. Start reading today to secure your math scores on the exam.