Find the number of 7 lettered words each consisting of 3 vowels and 4 consonants which can be formed using the letters of the word `''DIFFERENTIATION''`.

The number of five-letter words containing 3 vowels and 2 consonants that can be formed using the letters of the word 'EQUATION' so that the two consonants occur together, is

Find the number of 4 letter words that can he formed using one vowel and 3 consonants from the letters of the word 'ARTICLE'.

How many words with or without meaning each of 3 vowels and 2 consonants can be formed from the letters of the word INVOLUTE.

How many words, with or without meaning, each of 3 vowels and 2 consonants can be formed from the letters of the word INVOLUTE?

How many words, with or without meaning, each of 2 vowels and 3 consonants can be formed from the letters of the word DAUGHTER?

How many words, with or without meaning, each of 3 vowels and 2 consonants can be formed from the letters of the word INVOLUTE?

How many words, with or without meaning, each of 3 vowels and 2 consonants can be formed from the letters of the word INVOLUTE ?

How many words, with or without meaning, each of 2 vowels and 3 consonants can be formed from the letters of the word DAUGHTER ?