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  1. C

    Drawing Probability of Balls?

    In a sack contains 4 balls, one is colored white, and the rest is black. A person took 2 balls from the sack. What is the probability that the balls taken contains a black ball. P.S. Don't use the manual method by looking for the possible combinations (AB,AC,AD,etc). I need an equation. Thanks!
  2. C

    Magic The Gathering: Play everytime you can cast a sorcery?

    "Activate this ability only any time you could cast a sorcery." Does this mean that i can only play the ability every time I had a sorcery card in my hand?
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