document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=396795>Question 396795</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a 4-letter word is to made using letters from the set (a,b,c,d,e,f) How many words are possible assuming that\r<BR>\n" );
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document.write( "a)there are no restrictions<BR>\n" );
document.write( "b) no repetition of letters is permitted<BR>\n" );
document.write( "c) adjacent letters in the word may not be the same? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #281415 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=281415\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "a) no. of possible words when no restrictions = 6*6*6*6 = 1296\r<BR>\n" );
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document.write( "b) no. of possible words when no repetition  = 6P4 = 360\r<BR>\n" );
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document.write( "c) no. of possible words when adjacent letters are not same = 6*5*5*5 = 750\r<BR>\n" );
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