Jeremy randomly selected a round tile and a square tile from the sets shown below. What is the probability that Jeremy selected either two blue tiles or two white tiles?
Square tiles: 10 pink, 8 red, 6 blue, 12 green, 8 black, 9 white, 7 yellow.Round tiles: 11 green, 5 red, 2 white, 4 black, 6 blue, 8 pink.
a.
23/36
b.
4/9
c.
7/72
d.
1/40