JEE Math Practice Question
A bag contains 6 balls. Two balls are drawn from it at random and both are found to be black. The probability that the bag contains at least 5 black balls is :
- A.$$\frac{3}{7}$$
- B.$$\frac{5}{6}$$
- C.$$\frac{5}{7}$$
- D.$$\frac{2}{7}$$
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