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      Question

      16 defective mobile phones were accidentally packed with

      144 working phones. One mobile phone is randomly taken out. Find the probability that the selected phone is defective.
      A 1/10 Correct Answer Incorrect Answer
      B 2/15 Correct Answer Incorrect Answer
      C 4/25 Correct Answer Incorrect Answer
      D 1/9 Correct Answer Incorrect Answer

      Solution

      Number of defective mobile phones = 16
      Total number of mobile phones = 144 + 16 = 160
      Required probability = (16/160) = (1/10)

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