SOLUTION: a teacher is making a multiple choice quiz. she wants to give each student the same questions, but have each students questions appear in a different order. if there are twenty-sev
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Question 1181737: a teacher is making a multiple choice quiz. she wants to give each student the same questions, but have each students questions appear in a different order. if there are twenty-seven students in the class, what is least number of questions the quiz must contain.
Answer by greenestamps(13203) (Show Source): You can put this solution on YOUR website!
n questions can be arranged in n! different ways.
4!=24, so 4 questions is not enough.
ANSWER: There must be at least 5 questions.
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