Write a set which contains letters of the word 'ASSASSINATION'.

A letters is taken at random from the letters of the word 'ASSISTANT' and another letter is taken at random from the letters of the word 'STATISTICS'. Find the probability that the selected letters are the same.

Two letters are chosen from the letter of the word 'EQUATIONS'. The probability that one is vowel and the other is consonant is

The number of permutations by arranging the letters of the word ‘ADDITION’ are

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

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

The number of permutations by arranging the letters of the word ‘PERMUTATION’ are

How many different ways are there to arrange letters of the word 'WORLD'? How many of these arrangements begin with the letter R?