Inhow many ways can the letters of the word DIRECTOR be arranged so tht the three vowels are never together?

In how many ways, can the letters of the word 'DIRECTOR' be arranged, so that the three vowels are never together?

In how many ways can the letters of the word “VALEDICTORY” be arranged so that the vowels are never separated?

In how many different ways can the letters of the word 'DIGEST' be arranged so that the vowels are never together?

In how many ways can the letter of the word 'INSURANCE' be arranged, so that the vowels are never separate?

In how many different ways can the letters of the word SOFTWARE be arranged so that the vowels are never together? (a) 120 (b) 48 (c) 72 (d) 168 (e) None of these

In how many different ways can the letters of the word 'DIRECTOR' be arranged so that the vowels are always together?

In how many ways can the letters of the word BANARAS be arranged so that the letters N and S are never together

In how many ways can the letters of the word ARRANGE be arranged so that two R's are never together ?