πŸ“’ Too many exams? Don’t know which one suits you best? Book Your Free Expert πŸ‘‰ call Now!

  • google app store apple app store
  • βœ–

      Question

      21 defective pendrives got mixed with 189 non-defective

      pendrives. One pendrive is selected at random. Find the probability that the selected pendrive is defective.
      A 1/10 Correct Answer Incorrect Answer
      B 1/9 Correct Answer Incorrect Answer
      C 2/15 Correct Answer Incorrect Answer
      D 7/63 Correct Answer Incorrect Answer

      Solution

      Number of defective pendrives = 21
      Total number of pendrives = 189 + 21 = 210
      Required probability = (21/210) = (1/10)

      Practice Next

      Relevant for Exams:

      ask-question