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

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 letters of the word EQUATION are arranged, Find the number of arrangements in which no two consonants occur together?

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

Two dice thrown at random find the probability that the sum of the numbers thrown is 7.

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

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?

Two dice are thrown at random. Find the probability of getting sum of the numbers on the dice 8.

If the letters of the word DHRONA be permuted and arranged as in a dictionary, find the rank of the word.