document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=4567>Question 4567</A>: <I><SPAN STYLE=\"word-break: break-all;\"> We are required to form different words with the help of letters of the word 'INTEGER'.<BR>\n" );
document.write( "let m1 be the number of words in which 'I' and 'N' are never together and m2 be the number of words which begin with 'I 'and end with 'R',<BR>\n" );
document.write( "then m1/m2 is given by ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #2097 by </B><A HREF=/tutors/aboutme.mpl?userid=khwang><B>khwang(438)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=khwang><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=2097\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  All possible words: 7!/2! = 7*6!/2 (since there are 2 E's)<BR>\n" );
document.write( " If TN together TN or NT as a letter, the other five are EE,I,G,R<BR>\n" );
document.write( " so there are 2*6!/2! = 6! = 720\r<BR>\n" );
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document.write( " Hence,m1 = 7*6!/2 - 720 = 720(7/2 -1) = 720 (5/2) = 1800<BR>\n" );
document.write( "   <BR>\n" );
document.write( " m2 = 5!/2 = 60 (why?)\r<BR>\n" );
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document.write( " So, m1/m2 = 30\r<BR>\n" );
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document.write( " Kenny </SPAN>\n" );
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