Q33 of 43 Page 15

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


The word ‘ASSASSINATION’ contains 13 letters. Out of these 13 letters one letters can be selected in 13C1 ways.

(i) Out of 6 vowels (3A’s, 21’s, 1O’s) one vowel can be selected in 6C1 ways.

Therefore, P(1 vowel) = =

(ii) Out of 7 consonants one consonant can be selected in 7C1 ways.

Therefore, P(1 consonant) = =

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