document.write( "Question 398228: If you have 20 students in your class how many different ways can a committee of 5 be chosen if 1 person on the committee will be the president? \n" ); document.write( "
Algebra.Com's Answer #283246 by sudhanshu_kmr(1152)\"\" \"About 
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\n" ); document.write( "it can be solved by two ways......\r
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\n" ); document.write( "\n" ); document.write( "1) no. of ways to choose a president for committee = 20
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\n" ); document.write( " no. of ways to choose 4 another members from remaining 19 = 19C4\r
\n" ); document.write( "\n" ); document.write( " total no. of ways = 20 * 19C4 \r
\n" ); document.write( "\n" ); document.write( " = 77520\r
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\n" ); document.write( "\n" ); document.write( "2) no. of ways to choose committee i.e 5 members from 20 = 20C5 \r
\n" ); document.write( "\n" ); document.write( " no. of ways to select a president in a committee = 5 \r
\n" ); document.write( "\n" ); document.write( "total no. of ways = 20C5 * 5 \r
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\n" ); document.write( "\n" ); document.write( "= 77520\r
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