Permutation And Combination | Dictionary Ranking Of A Word

Permutation & Combination

Permutation & Combination

Permutation & combination

Permutation & combination

Permutation & Combination: Lecture 7

Permutation & Combination: Lecture 2

find the number of permutation and combination of 4 letters taken from the word ARYABHATTA

Rank of a word in Dictionary

If letters of the word 'KUBER' are written in all possible orders and arranged as in a dictionary, then rank of the word 'KUBER' will be

If the letters of the word MOTHER are written in all possible orders and these words are written out as in a dictionary,find rank of the word MOTHER.