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    • Question

      40 know Hindi, 32 know English, 18 know both. One

      student chosen. Probability they know at least one?
      A 1 Correct Answer Incorrect Answer
      B 4 Correct Answer Incorrect Answer
      C 6 Correct Answer Incorrect Answer
      D 8 Correct Answer Incorrect Answer

      Solution

      ATQ,

      Total = 40 + 32 –18 = 54 Probability = 54/54 = 1

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