Lesson 7 of 8 • 112 upvotes • 6:31 mins
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
2:50 mins
Introduction: The Concept Of 'n' Factorial
6:23 mins
Learn The Permutation Formula
6:48 mins
Learn The Combination Formula
7:09 mins
Combining Permutation And Combination
7:40 mins
Overview Of Circular Permutation
6:26 mins
Understand The Rank Of Word And De-arrangement
6:31 mins
Solve Important Questions To Strengthen The Concepts
8:18 mins