SOLUTION: A student is asked to answer 12 out of 14 questions on an exam. In how many ways can she select the questions to be answered?
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Question 948177: A student is asked to answer 12 out of 14 questions on an exam. In how many ways can she select the questions to be answered? Found 2 solutions by Alan3354, raphaelfundani:Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! A student is asked to answer 12 out of 14 questions on an exam. In how many ways can she select the questions to be answered?
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She can leave out 2 questions.
The 1st is 1 of 14, then 1 of 13.
14*13 = 182
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Not doing question A and B is the same as not doing B and A --> 182/2 = 91 ways.
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