document.write( "Question 964119: a candidate is expected to attempt 12 out of 15 questions in a test. in how many ways can this be done if the first 8 questions are compulsory
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Algebra.Com's Answer #589045 by Edwin McCravy(20055) $\"\"$ $\"About$

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a candidate is expected to attempt 12 out of 15 questions in a test.
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document.write( "He chooses the first 8 questions in 1 way, since they are compulsory.\r\n" );
document.write( "That leaves 15-8=7 questions of which he must choose 12-8=4.\r\n" );
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document.write( "That's 7 choose 4 or 7C4 or 35 ways. \r\n" );
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document.write( "Edwin

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