Lesson 7 of 8 • 112 upvotes • 6:31mins
This lesson focuses on the arrangement of alphabets in a word and deals with the approach in which the questions like this need to be handled. Surabhi has taken up an example and has looked into various cases for it. Thereby the lesson explains the concept of 'De-arrangement' and to make this concept clearer the educator has taken up an example and has depicted the application of the same. Watch out for some twists in the questions.
8 lessons • 52m
Overview Of The Course: In Depth Study Of Permutation & Combination
2:50mins
Introduction: The Concept Of 'n' Factorial
6:23mins
Learn The Permutation Formula
6:48mins
Learn The Combination Formula
7:09mins
Combining Permutation And Combination
7:40mins
Overview Of Circular Permutation
6:26mins
Understand The Rank Of Word And De-arrangement
6:31mins
Solve Important Questions To Strengthen The Concepts
8:18mins