Find the number of 4 letter words that can be made using the alphabets, if repetition of a letter is not allowed.

Find the number of 4 - letter words that can be formed using the letters of the word RAMANA.

9 Different letters of an alphabet are given. Find the number of 4 letter words that can be formed using these 9 letters which have (i) no letter is repeated (ii) atleast one letter is repeated.

How many three letter words can be formed using the letters of the word NARESH? (Repetition of letters is not allowed)

Find the number of 5 letter words that can be formed using the letters of the word RHYME if each letter can be used any member of times.

The number of 4 letter words that can be formed using the letters of with an vowel when repetitions are allowed is

The number of 4 letter words that can be formed by using the letters of the word DEGREE is

Find the number of 4 letter words that can be formed using the letters of the word ARTICLE in which at least one letter is repeated

Find the number of 4 letter words that can be formed using the letters of the word PISTON in which atleast one letter is repeated.

Find the number of 5 letter words that can be formed using the letters of the word NAUTRE that begin with N when repetition is allowed.

Find the number of 5 letter words that can be formed using the letters of the word “NATURE' that begin and end with vowel when repetitions are allowed.