How many different words of 4 letters can be formed with the letters of the word EXAMINATION?

How many different 4-letter words can be formed with the letters of the word ‘JAIPUR’ when A and I are always to be included ?

How many words can be formed with the letters of the word INTERNATIONAL?

How many different words can be formed with the letters of the word 'CAPTAIN'? In how many of these C and T are never together ?

How many words can be formed with the letters of the word SUNDAY

Number of words of 4 letters that can be formed with the letters of the word IIT JEE, is

How many diferent words can be formed with the letters of the word MATHEMATICS ? In how many of them, vowels are together and consonants are together?

How many different permutations can be formed from five letters of the word EXAMINATION at a time?