document.write( "Question 1062837: An instructor gives an exam with fourteen questions. Students are allowed to choose any ten to answer.
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\n" ); document.write( "\n" ); document.write( "How many groups of ten questions contain four that require proof and six that do not?
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Algebra.Com's Answer #677835 by Boreal(15235)\"\" \"About 
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The number of combinations is 6C4*8C6
\n" ); document.write( "That is 15*28=420.
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