Find the number of ways of selecting 3 vowels and 2 consonants from the letters of the word EQUATION.

If a is the number of ways of selecting 3 vowels, 2 consonents, b is the number of ways of selecting 2 vowels, 3 consonents and c is the number of ways of selecting 4 vowels, 1 consonent from the letters of the word EQUATION then descending order of a, b, c is

Find the number of ways of selection of at least one vowel and one consonant from the word TRIPLE.

In how many ways can we select two vowels and three consonants from the letters of the word ARTICLE?

Find the number of ways of selection of at least one vowel and one consonant from the word TRlPLE.

Find the number of ways of selection of at least one vowel and one consonant from the word TRlPLE.

Find the number of ways of selection of at least one vowel and one consonant from the word TRlPLE.

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

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

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, each of 2 vowels and 2 consonants can be forward from the letters of the word HEXAGON.