document.write( "Question 342888: A teacher will select 5 questions from 12 available questions. How many different arrangements are possible for the 5 selected questions?\r
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document.write( "I got: (5)(4)(3)(2)(1)= 120 ways \n" );
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Algebra.Com's Answer #245391 by nyc_function(2741) You can put this solution on YOUR website! Given the 5 questions selected there are 5! = 120 arrangements. \n" ); document.write( "But I think your question is how many 5-question sets can be made from the 12 questions. The answer to that is 12C5 = 12! / (5!)(7!) = 792 \n" ); document.write( " \n" ); document.write( " |