document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=763194>Question 763194</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 7 boys and 7 girls went out to watch a movie. How many ways can they be seated if boys are to sit together and so with the girls? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #464603 by </B><A HREF=/tutors/aboutme.mpl?userid=ramkikk66><B>ramkikk66(644)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ramkikk66><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=464603\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If all the boys have to sit together, and so do all the girls,\r<BR>\n" );
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document.write( "Consider all the boys as a single unit and all the girls as another unit. So there are only 2 units which can be arranged in 2! = 2 ways.\r<BR>\n" );
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document.write( "However, within each unit, the 7 people (boys or girls) can be arranged in 7! ways.\r<BR>\n" );
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document.write( "Hence the total number of possible arrangements = 7! * 7! * 2 = 50803200 ways.\r<BR>\n" );
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document.write( ":) </SPAN>\n" );
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