A letter of the word `ASSASSINATION` are randomly chosen. Find the probability that letter is a vowel.

A letter of the word ASSASSINATION are randomly chosen. Find the probability that letter is a consonant.

If the letter of the word 'ATTRACTION' are written down at random,find the probability that (i)All the T's occur together.

If the letter of the word 'ATTRACTION' are written down at random,find the probability that (ii)No two T's occur together.

Consider the word ASSASSINATION. How many begin with A?

The letters of the word "SOCIETY" are placed at random in a row What is the probability that in the random arrangement of the letters of the given word the three vowels come together?

Consider the word ASSASSINATION. How many permutations are there of the letters of the given word?

Suppose that the letters of the word "INSTITUTION" are arranged together at random. Find the number of arrangements of the letters so that the three T's are together.

Consider the word ASSASSINATION How many of these words have all vowels together?