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

      A bag contains 6 white balls, 4 red balls and 5 green

      balls. Two balls are drawn simultaneously. Find the probability that both the balls are of same colour.
      A 34/105 Correct Answer Incorrect Answer
      B 31/105 Correct Answer Incorrect Answer
      C 29/105 Correct Answer Incorrect Answer
      D 32/105 Correct Answer Incorrect Answer

      Solution

      Total number of balls in the bag = 6 + 4 + 5 = 15 Total possible outcomes = 15C2 = 105 Number of favourable outcomes = 6C2 + 4C2 + 5C2 = 15 + 6 + 10 = 31 Required probability = 31/105

      Practice Next

      Relevant for Exams:

      ask-question