[" Eight different letters of an alphabet are given.Words of four letters from these are formed.The number of such words "],[" with at least one letter repeated is "]

Eight different letters of an alphabet are given. Words of 4 letters from these are formed. Find the number of such word with at least one letter repeated.

The different letters of the alphabet are given, Out of which five letter words are formed. Then the numbers of words in which at least one letter is repeated is

Ten different letters of an alphabet are given words with five letters are formed from these given letters. The number of words which have at least one letter repeated is

Ten different letters of an alphabet are given. Words with 5 letters are formed from these given letters. Then, the number of words which have at least one letter repeated

Ten different letters of alphabet are given. Words with five letters are formed from these give letters.Then the number of words which have at least one letter repeated, is :

The different letters of alphabet are given words with five letters are for med from these give letters . The number of word which have at least one latter repeated is :

ten different letters of alphabet are given . Words with 5 letters are formed from these given letters than the number of words which have at least one letter repreated is