
Master Permutations & Combinations for GATE, College Mathematics & Competitive Exams
Taught by RBR Sir
Build a strong foundation in Permutations and Combinations (PnC) with this complete course designed for GATE aspirants, college students, competitive exam learners, and anyone interested in mastering combinatorics and mathematical problem solving.
This course is taught by RBR Sir, known for his deep conceptual teaching style and problem-solving approach. The course focuses not just on formulas, but on developing the analytical thinking required to solve advanced combinatorics problems confidently.
Starting from the fundamentals, the course gradually moves toward advanced applications used in:
GATE CS & DA
university and college mathematics
aptitude and placement preparation
competitive programming
Olympiad-style reasoning
advanced problem solving
You will learn how to solve problems using:
logical counting techniques
symmetry and case analysis
grouping methods
constraints handling
recurrence-based thinking
generating functions
combinatorial modeling
The course includes:
18+ hours of in-depth lectures
60+ structured video lessons
concept-building examples
advanced problem-solving sessions
PYQs and practice discussions
beginner-to-advanced coverage
Topics Covered
Fundamentals of Combinatorics
Permutations (nPr)
Combinations (nCr)
Repetition and Constraints
Circular Permutations
Distribution & Partition Problems
Stars and Bars Technique
Inclusion-Exclusion Principle
Derangements
Pigeonhole Principle
Binomial Coefficients & Summations
Generating Functions
Recurrence Relations
PYQ & Practice Sessions
Who This Course Is For
GATE aspirants
College and university students
Learners preparing for aptitude and placement tests
Competitive programmers
Students who want strong combinatorics foundations
Anyone interested in advanced mathematical reasoning
Requirements
Basic mathematics knowledge
Interest in logical and analytical problem solving
No prior combinatorics experience required
Why Take This Course?
This course is designed to help students move beyond memorizing formulas and truly understand the logic behind counting and combinatorial reasoning. Every concept is explained step-by-step with detailed examples and multiple problem variations, making it suitable for both beginners and advanced learners.