From English alphabet if a letter is choosen at random, then find the probability that the letter is a consonant.

A letter is chosen at random from the word "ROSE". Find the probability that the letter chosen is a vowel.

The first twelve letters of English alphabet are written at random in a line. The probability that there are exactly four letters in between A and B is

A letter is chosen from the word “BAHUBALI”, the probability that it was not a vowel is

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

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

There are 6 letters and 6 addressed envelopes . If the letters are put at random in the envelopes , the probability that all the letters may be placed in wrongly addressed envelopes is

A: There are 4 letters and 4 addressed envelopes. If the letters are put in the random in the envelopes , the probability that all the letters may be placed in wrongly addressed envelopes is 3//8 . R: If n letters are put at random in the n addressed envelopes , the probability that all the letters may be in wrong envelopes = 1- (1)/(1!) +(1)/(2!)-(1)/(3!)+.....+((-1)^(n))/(n!)

A letter is chosen from the word "DICTIONARY". Find the probability of the letter being a letter comes after "L".