Two letters from the word KYANTKAR are selected at random. What is the probability that at least one of the selected letters is a consonant?	Select the correct option
A) 14/27 B) 15/28 C) 27/28 D) 16/28 E) 30/28
There are 6 consonants and 2 vowels in KYANTKAR .   probability that at least one of the selected letters is a consonant = 1 - (Probability of both vowels)   Probability of both vowels = 227/282/827/282 = 1/28   So,Answer is 1 - 1/28 = 27/28   Answer : 27/28
<result>C</result>
Two letters from the word KYANTKAR are selected at random. What is the probability that at least one of the selected letters is a consonant?