document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=35133>Question 35133</A>: <I><SPAN STYLE=\"word-break: break-all;\"> We are working on combinations and permutaions which involve factorials most of the time.\r<BR>\n" );
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document.write( "How many 4 letter combinations can be made from the letters f,g,h,i,j & k. No letters can repeat themselves and the letter do not have to form a word. How do you solve this? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #21613 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=21613\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We are working on combinations and permutaions which involve factorials most of the time.<BR>\n" );
document.write( "How many 4 letter combinations can be made from the letters f,g,h,i,j & k. No letters can repeat themselves and the letter do not have to form a word. How do you solve this?<BR>\n" );
document.write( "COUNT TOTAL NUMBER OF LETTERS=6<BR>\n" );
document.write( "TO MAKE 4 LETTER COMBINATIONS YOU SAID THAT IS NOT PROPER I THINK..THAT MEANS A TEAM OF 4 PLAYERS FROM 6 PERSONS.THAT MEANS ABCD..OR...BCDA...OR...CDBA..ETC...ARE ALL SAME TEAM.THE ARRANGEMENT IS NOT IMPORATANT.THEN ONLY IT IS CALLED COMBINATION.THEN THE ANSWER  IS 6C4..THE FOMULA FOR NCR = N!/{(R!)*(N-R)!}<BR>\n" );
document.write( "SO WE GET 6!/2!*(4-2)!=6!/2!*4!=6*5*4*3*2*1/2*1*4*3*2*1=15...<BR>\n" );
document.write( "BUT I THINK YOU WANT ARRANGEMENTS .THEN ITS ANSWER IS 6P4..THE FORMULA FOR <BR>\n" );
document.write( "NPR=N!/(N-R)!<BR>\n" );
document.write( "6P4=6!/(6-4)!=6!/2!=360 </SPAN>\n" );
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