Find the number of strings of 4 letters that can be formed with the letters of the word EXAMINATION.

(i) Find the number of strings of length , which can be firmed using the letters of the word BIRD , without repetition of the letters. (ii) How many strings of length 5 cm be formed out of the letters of the word "PRIME" taking all the letters at a time without repetition.

Find the number of seen letter words that can be formed by using the letters of the word SUCCESS so that the two C are together but no two S are together.

The number of words that can be formed out of the letters of the word " COMMITTEE"

Find the number of different words that can be formed using all the letters of the word DEEPMALA if two vowels are together and the other two are also together but separated from the first two.

Find the number of words which can be formed using all the letters of the word 'INSTITUTION' which start with consonant.

Find the number of different 8-letter arrangements that can be made from the letters of the word DAUGHTER so that all vowels occur together .

Find the number of different 8-letter arrangements that can be made from the letters of the word DAUGHTER so that all vowels do not occur together.

a. Find the number of words that can be formed from the letters of the word MALAYALAM. b. How many of these arrangemnets start with Y?