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Badri has 9 pairs of dark Blue socks and 9 pairs of Black socks. He keeps them all in a same bag. If he picks out three socks at random what is the probability he will get a matching pair? | |
A. | 2*9C2 * 9C1) / 18C3 [Wrong Answer] |
B. | (9C2 * 9C1) / 18C3 [Wrong Answer] |
C. | 1 [Correct Answer] |
D. | None of these [Wrong Answer] |