document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1011597>Question 1011597</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many strings of 10 characters, such as \r<BR>\n" );
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document.write( "ABCPE1234F\r<BR>\n" );
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document.write( "can be made such that the first 5 characters are alphabet letters, <BR>\n" );
document.write( "the next 4 are digits and the last character is a letter.<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 #627323 by </B><A HREF=/tutors/aboutme.mpl?userid=mathmate><B>mathmate(429)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mathmate><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=mathmate><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=627323\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  <BR>\n" );
document.write( "Question:<BR>\n" );
document.write( "What are the combination in PAN SERIES<BR>\n" );
document.write( "ABCPE1234F<BR>\n" );
document.write( "Out of 10 digits, first five digits should be alphabets(26 letters in each digit), next four digits should be Numerical Value(0-9 in each digit) and the last digit should be Alphabet(26 letters)<BR>\n" );
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document.write( "Solution:<BR>\n" );
document.write( "There is a total of 10 digits in each \"word\".\r<BR>\n" );
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document.write( "If the digits and letters are allowed to repeat, then there are<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=n=26%5E6%2A10%2A4=3089157760000 ALIGN=MIDDLE  ALT=\"n=26%5E6%2A10%2A4=3089157760000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "distinct \"words\".\r<BR>\n" );
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document.write( "If the digits and letters are both not allowed to repeat, then there are<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N=P%2826%2C5%29%2AP%2810%2C5%29=26%21%2F21%21%2A10%21%2F5%21=238702464000 ALIGN=MIDDLE  ALT=\"N=P%2826%2C5%29%2AP%2810%2C5%29=26%21%2F21%21%2A10%21%2F5%21=238702464000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "words with distinct letters or digits. </SPAN>\n" );
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