document.write( "Question 483548: there are 10 alphabets a, b, c, d, e, f, g, h, i, j. How many arrangements are there where in 'a' precedes 'b' and 'c' precedes 'd'. \n" ); document.write( "
Algebra.Com's Answer #330981 by sudhanshu_kmr(1152)\"\" \"About 
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\n" ); document.write( "Assume 'ab' and 'cd' are single letters, total 2+6= 8 letters.
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\n" ); document.write( "Number of ways = 8! = 40320\r
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