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 ' INDIA' be arranged ?

In how many ways can the letters of the word ‘PIZZA’ be arranged

In how many ways can the letters of the word ‘PHONE’ be arranged

In how many ways can the letters of the word ARRANGE be arranged so that the two R's 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 ways can the letters of the word ' COMBINE ' be arranged so that, the vowels are never separated

In how many ways can the letters of the word ' COMBINE ' be arranged so that, all the vowels never come 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 the letters of the word RAINBOW be arranged ?

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