Permutation and Combination

This topic covers concepts, such as, Permutations and Combinations, Fundamental Principles of Counting (FPC), Factorial & Exponent of Prime Number p in n Factorial etc.

This topic covers concepts, such as, Permutation of Distinct Objects, Permutation of n Distinct Objects Taken All at a Time, Permutation of n Distinct Objects Taken r at a Time, Understanding of nPr and its Existence & Permutation etc.

This topic covers concepts, such as, Circular Permutation, Circular Permutation of 'n' Distinct Objects when 'r' Objects Always Appear in Given Order & Circular Permutation of 'n' Objects when 'r' Objects are Identical etc.

This topic covers concepts, such as, Combination, Selection of 'r' Objects out of 'n' Distinct Objects, Selection of 'r' Objects out of 'n' Distinct Objects when 'p' Objects are Never Selected & Understanding of nCr and its Existence etc.

This topic covers concepts, such as, Inclusion - Exclusion Principle in Combinatorics, Selection of Atleast One Object out of 'm+n+p' Objects Where 'm' Alike & 'n' Alike and 'p' Distinct etc.

This topic covers concepts, such as, Permutation of n Distinct Objects when r Objects Always Come Together, Permutation when Repetition of Objects is Allowed, 'n' Alike and 'r' Distinct Objects & Arrangement of Words in the Form of Dictionary etc.

This topic covers concepts, such as, Division into Groups in Combinations, Divisors of an Integer, Distribution of 'n' Identical Objects among 'r' Non-distinguishable Groups & Distribution of 'N' Identical Objects among 'R' Distinguishable Groups etc.

This topic covers concepts, such as, Arrangement and Derangement in Permutation etc.

This topic covers concepts, such as, Combinatorics Problems on Polygon etc.