document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=388457>Question 388457</A>: <I><SPAN STYLE=\"word-break: break-all;\">  I. Seven letter words are formed using the letters of the word BLACKER. <BR>\n" );
document.write( "(a)How many which end in R? (b)How many in which E immediately follows K? <BR>\n" );
document.write( "(c)How many do not begin with B?(d)How many in which the vowels are separated by exactly two letters? (e)How many in which the vowels are seperated by two or more letters? <BR>\n" );
document.write( "I really appreciate any help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #275562 by </B><A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><B>sudhanshu_kmr(1152)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><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=sudhanshu_kmr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=275562\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a)\r<BR>\n" );
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document.write( "no. of words end in R = 6! = 720\r<BR>\n" );
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document.write( "b)\r<BR>\n" );
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document.write( "no. of words in which E immediately follows k = 6!  = 720\r<BR>\n" );
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document.write( "(assume KE as a single letter, now total 6 letters )\r<BR>\n" );
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document.write( "c) <BR>\n" );
document.write( "total no. of words with 7 letters = 7!\r<BR>\n" );
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document.write( "no. of words begin with B = 6! = 720\r<BR>\n" );
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document.write( "so, no. of words not begin  with B = 7! - 6!  = 4320\r<BR>\n" );
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document.write( "d)\r<BR>\n" );
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document.write( "here vowels must be in either of these positions.......\r<BR>\n" );
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document.write( "(1 and 4),(2 and 5), (3 and 6)  or (4 and 7)\r<BR>\n" );
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document.write( "no. of ways to arrange vowels  = 4*2 = 8 (2 ways for each position)\r<BR>\n" );
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document.write( "no. of ways to arrange 5 consonants = 5! \r<BR>\n" );
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document.write( "total no. of ways = 120 *8 =  960\r<BR>\n" );
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document.write( "e) <BR>\n" );
document.write( "try to understand the concept and try to solve it  yourself..\r<BR>\n" );
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document.write( "you are welcome to contact for any assistance...\r<BR>\n" );
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document.write( "sudhanshu.cochin@gmail.com \r<BR>\n" );
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document.write( "best of luck........\r<BR>\n" );
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document.write( "             <BR>\n" );
document.write( " </SPAN>\n" );
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