A pot contains 5 red and 2 green balls. At random a ball is drawn from this pot. If a drawn ball is…

A pot contains 5 red and 2 green balls. At random a ball is drawn from this pot. If a drawn ball is green, then put a red ball in the pot. If a drawn ball is red, then put a green ball in the pot. While drawn ball is not replaced in the pot. Now, we draw another ball randomly. What is the probability that the second ball drawn is a red ball?