How many different words can be formed out of the letters of the word DAUGHTER so that (i) relative positions - Maths - Sets

Question

How many different words can be formed out of the letters of
the
word DAUGHTER so that (i) relative positions of vowels
andconsonants remain unaltered (ii) no two vowels are together
(iii)all vowels occur together (iv) vowels are together and
consonantsare together

Brijendra P. · Accepted Answer

Refer the similar link to answer:

https://www meritnation
com/ask-answer/question/please-explain-the-answer-for-this-question-find-the-number/permutations-and-combinations/5832303

How many different words can be formed out of the letters of theword DAUGHTER so that (i) relative positions of vowels andconsonants remain unaltered (ii) no two vowels are together (iii)all vowels occur together (iv) vowels are together and consonantsare together.

How many different words can be formed out of the letters of the
word DAUGHTER so that (i) relative positions of vowels andconsonants remain unaltered (ii) no two vowels are together (iii)all vowels occur together (iv) vowels are together and consonantsare together.