In how many ways can the letters of the word FAILURE be arranged so that the consonants may occupy only odd positions?

In how many ways can the letters of the word ‘CABLE’ be arranged so that the vowels should always occupy odd places?

In how many ways can the letters of the word ARRANGEMENTS be arranged? : Find the probability that the consonants are together.

In how many ways can the letters of the word ARRANGEMENTS be arranged? : Find the chance that an arrangement chosen at random begins with the letters EE.

In how many ways can the lettters of word PERMUTATIONS be arranged, if the word start with P and end with S?

How many words can be formed with the letters of the word MATHEMATICS by rearranging them

The number of words which can be made out of the letters of the word MOBILE when cosonants always occupy odd places is

The number of words that can be formed out of the letters of the word ARTICLE so that the vowels occupy even places is

In how many ways can 10 examination papers be arranged so that the best and the worst papers never come together?

In how many ways can five examination papers be arranged so that Physics and Chemistry papers never come together?