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Q:

A bag contains 30 balls, numbered 1 to 30. Two balls are drawn at random. What is the probability that the balls drawn contain a number which is multiple of 4 or 6 but not a multiple of both?

  • 1
    $$ {1\over6}$$
  • 2
    $$ {1\over5}$$
  • 3
    $$ {1\over4}$$
  • 4
    $$ {1\over3}$$
  • 5
    None of these
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Answer : 5. "None of these"

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