document.write( "Question 414739: how many ways can 9 students (5 girls and 4 boys) be seated in a row if seatings must alternate boy then girl? or girl then boy? \n" ); document.write( "
Algebra.Com's Answer #290898 by sudhanshu_kmr(1152)\"\" \"About 
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\n" ); document.write( "total no. of ways = 2 * 5! * 4! \r
\n" ); document.write( "\n" ); document.write( "= 2 * 120 * 24 \r
\n" ); document.write( "\n" ); document.write( "= 5760
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