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      Question

      A bag contains 5 green gems and 7 orange gems. If 2

      balls are drawn random, then what is the probability that at least 1 gem is orange.
      A 21/34 Correct Answer Incorrect Answer
      B 24/31 Correct Answer Incorrect Answer
      C 18/23 Correct Answer Incorrect Answer
      D 28/33 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Required probability = (5C1 x 7C1 + 7C2 x 5C0)/ 12C2 = 56/66 = 28/33

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