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      Question

      6 students appear in an examination. In how many ways

      can the result be announced?
      A 64 Correct Answer Incorrect Answer
      B 32 Correct Answer Incorrect Answer
      C 128 Correct Answer Incorrect Answer
      D 256 Correct Answer Incorrect Answer

      Solution

      Each student can either pass or fail  So there exists two possibilities for each student. So total number of ways = 26 = 64

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