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      Question

      14 defective fans were accidentally mixed with 126

      non-defective fans. One fan is randomly selected. Find the probability that it is a defective fan.
      A 1/10 Correct Answer Incorrect Answer
      B 1/11 Correct Answer Incorrect Answer
      C 2/15 Correct Answer Incorrect Answer
      D 7/72 Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      Number of defective fans = 14
      Total number of fans = 126 + 14 = 140
      Required probability = (14/140) = (1/10)

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