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

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

How many different words can be formed with the letters of the word "MATHEMATICS"

How many different words can be formed with the letters of the word CLIFTON.

Find the number of strings of 4 letters that 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 ?