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    A bag contains 6 red balls, 11 yellow balls and 5 pink balls, If two balls are drawn at random from the bag, one after another, what is the probability that first ball is red and the second ball is yellow

  • 1/14
  • 2/7
  • 5/7
  • 3/14
  • None of these
  • Explanation:

    Probability that first ball is red = 6/22= 3/11

    Probability that second ball is yellow = 11/21

    ∴ Required probability = 3/11×11/21= 1/7


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