If 2 marbles are drawn at random, what is the probability that both are green ?

  • 1/8
  • 5/16
  • 2/7
  • 3/8
  • None of these
  • Explanation:

    n(S) = 16C2 = 16×15/1×2 = 120

    n(E) = 5C2 = 5×4/1×2 = 10

    Required probability= 10/120 =1/12

If 2 marbles are drawn at random, what is the probability that both are green ?
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