If a letter is Chosen at random from the English alphabet, find the probability that the letter is : a vowel.

If a letter is Chosen at random from the English alphabet, find the probability that the letter is : a Consonant.

A letter is chosen at random, from the word 'ASSASSINATION'. Find the probability that letter is a vowel

A letter is chosen at random from the word ‘ASSASSINATION’. Find the probability that letter is (i) a vowel (ii) a consonant

A letter from the English alphabet is seleted at random. Find the chance that it is a vowel.

A single letter is selected at random from the word PROBABILITY the probability that it is a vowel is:

(i)If four squares are chosen at random on a chess board, find the probability that they lie on diagonal line. (ii) If two squares are chosen at random on a chess board, what is the Probability that they have exactly on corner in common? (iii) If nine squares are chosen at random on a chess board, what is the probability that they form a square of size 3x3?

A bag contains 100 bolts and 300 nuts, 50% of each have been rusted. One item is chosen at random. Find the probability that chosen item is rusted or a bolt.

The first twelve letters of the alphabet are written down at random . What is the probability that there are four letters between the A and the B?