A bag contains 6 red, 5 blue and 2 green balls. If 2 balls are picked at random, what is the probability that both are red?
Choose the correct choice from the following answers:
A) 2/13  B) 3/17  C) 5/26  D) 5/21  E) 7/15
P(Both are red),   =65/262135/262=65/262135/262   =5/26   5/26
<result>C</result>
A bag contains 6 red, 5 blue and 2 green balls. If 2 balls are picked at random, what is the probability that both are red?