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Math Help - Permutation or Combination?

  1. #1
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    Permutation or Combination?

    A teacher is making a multiple choice quiz. She wants to give each student the same questions, but have each student's questions appear in a different order. If there are twenty-seven students in the class, what is the least number of questions the quiz must contain?
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  2. #2
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    There are n! ways of ordering n questions. What is the smallest n so that n!\ge 27?
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