Number of three letter words that can be formed using only vowels but each only once is

How many three letter words can be formed using only consonants but only once ?

Consider the Word W=TERRORIST. Q. Number of four letter words that can be made using only the letters from the word W, if each word must contains atleast one vowel, is

Consider the Word W=TERRORIST. Q. Number of four letter words that can be made using only the letters from the word W, if each word must contains atleast one vowel, is

Find the number of 4- letter words that can be formed using the letters of the word. MIRACLE. How many of them begin with an vowel

The number of five letter words can be formed using 3 consonents and 2 vowels from the letters of the word MIXTURE is

The number of words that can be formed by using all the letters of the word PROBLEM only once is

The number of words that can be formed by using all the letters of the word PROBLEM only one is

The number of words that can be formed by using all the letters of the word 'PROBLEM' only once is :

Find the number of four letter word that can be formed from the letters of the word HISTORY (each letter to be used atmost once)