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A box contains 2 white balls, 3 black ball...

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A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways can 3 balls be drawn from the box, if at least one black ball is to be included in the draw?

  1. 64
  2. 61
  3. 54
  4. 58
Asked By : SubramanianCategory : Permutation and Combination
Answer
a. 64
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