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UGC NET CSE | December 2007 | Part 2 | Question: 17

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UGC NET CSE | December 2007 | Part 2 | Question: 1
A box contains six red balls and four green balls. Four balls are selected at random from the box. What is the probability that two of the selected balls are red and two are green ? $\large\frac{3}{7}$ $\large\frac{4}{7}$ $\large\frac{5}{7}$ $\large\frac{6}{7}$
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