An urn contains 6 red, 5 blue and 2 green marbles. If 2 marbles are picked at random, what is the probability that both are red?
Choose the correct answer:  A) 6/13  B) 5/26  C) 6/26  D) 9/26  E) 10/27
Option(5/26) is correct   P(5/26oth are red), 6C2/13C2 = 5/26   ANSWER 5/26
<result>B</result>
An urn contains 6 red, 5 blue and 2 green marbles. If 2 marbles are picked at random, what is the probability that both are red?