GMAT考题：Prep2007E1-PS-17

GMAT考题

题库 / Prep2007E1-PS-17

In a certain board game, a stack of 48 cards, 8 ofwhich represent shares of stock, are shuffled and then placed face down. If the first 2 cards selected do notrepresent shares of stock, what is the probability that the third card selectedwill represent a share of stock?

~$\frac{1}{8}$~

~$\frac{1}{6}$~

~$\frac{1}{5}$~

~$\frac{3}{23}$~

~$\frac{4}{23}$~