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562

Q:

If ratio of number of red balls and white balls is 7 : 5, then what is the probability of drawing 2 balls such that one is red and other is white?

  • 1
    5/29
  • 2
    14/87
  • 3
    15/58
  • 4
    28/87
  • 5
    None of these
  • Show Answer
  • Workspace

Answer : 4. "28/87"

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