In how many ways can the letters of the word STRANGE be arranged so that the vowels may appear in the odd places?

In how many ways can the letters of the words STRANGE be arranged so that the vowels may appear in the odd places ?

In how many ways can the letters of the word ' COMBINE ' be arranged so that, vowels occupy only the odd places ?

In how many ways can the letters of the word INSURANCE be arranged , so that vowels are occupied at even places ?

In how many ways can the letters of the word INSURANCE be arranged , so that vowels are occupied at even places ?

In how many ways can the letters of the word “ABACUS” be arranged such that the vowels always appear 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 letter of the word 'INSURANCE' be arranged, so that the vowels are never separate?