document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=778532>Question 778532</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A person has 12 friends of whom 8 are relatives .In how many ways can he invite 7 guests such that 5 of them are relatives? Please kindly give me ur solution.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #474777 by </B><A HREF=/tutors/aboutme.mpl?userid=psbhowmick><B>psbhowmick(878)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=psbhowmick><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/cgi-bin/show-face.mpl?user=psbhowmick><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=474777\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Out of 12 friends 8 are relatives.<BR>\n" );
document.write( "So there are 8 relatives and 4 just friends.\r<BR>\n" );
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document.write( "No. of ways in which 5 relatives can be invited is 8C5.<BR>\n" );
document.write( "No. of ways in which 2 friends can be invited is 4C2.<BR>\n" );
document.write( "The ways in which friends can be invited is associated with that in which relatives can be invited.<BR>\n" );
document.write( "So total no. of ways in which 7 guests can be invited such that 5 of them are relatives is 8C5 x 4C2 = 56 x 6 = 336. </SPAN>\n" );
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