Permutations and Combinations for Competitive Math and JEE

Permutations and combinations form the backbone of probability and discrete mathematics, yet many students struggle to know when to arrange and when to select. This text-based course guides you from foundational counting principles to advanced exam-level problem-solving techniques. What you'll learn: • Understand the fundamental differences between permutations and combinations. • Apply the multiplication and addition principles to break down complex counting scenarios. • Master key formulas for linear arrangements, circular permutations, and selections with repetition. • Solve high-frequency exam problems using efficient shortcuts, symmetry, and case-analysis techniques. • Connect counting principles to basic probability theory and modern algorithmic thinking. You will start with core definitions and basic counting rules before progressing to advanced constraints, grid paths, and strategic shortcuts designed for competitive exams. This course is perfect for high school students, competitive math aspirants, and beginners looking to build a rock-solid mathematical foundation with no prior advanced prerequisites. Start reading today to unlock a systematic approach to solving any counting problem.