Articles - Vowels And Consonants

How many words can be formed with the letters of thw word 'PATALIPUTRA' without changing the relative positions of vowels and consonants?

The number of ways in which the letters of the word 'PROPORTION ' be arranged with out changing the relative positions of vowels and consonants is

find the number of arrangements which can be made out of the letters of the word 'algebra', without altering the relative positions of vowels and consonants.

The English alphabet has 5 vowels and 21 consonants.How many words with two different vowels and 2 different consonants can be formed from the alphabet?

The English alphabet has 5 vowels and 21 consonants. How many words with 2 different vowels and 2 different consonants can be formed from the alphabet?

The English alphabet has 5 vowels and 21 consonants. How many words with 2 different vowels and 2 different consonants can be formed from the alphabet?

In how many ways can the letters of the word INTERMEDIATE be arranged so that: the vowels always occupy even places? the relative order of vowels and consonants do not alter?