document.write( "Question 226427: How many different three digit numbers greater that 240 can be
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document.write( "formed by using three different digits form the set {1, 2, 3, 4} ?\r
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document.write( "(A)24 (B) 16 (C) 14 (D) 12 (E) 10\r
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Algebra.Com's Answer #168613 by user_dude2008(1862)![]() ![]() ![]() You can put this solution on YOUR website! List all permutations of {1,2,3,4}:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "123, 124, 132, 134, 142, 143, 213, 214, 231, 234, 241, 243, 312, 314, 321, 324, 341, 342, 412, 413, 421, 423, 431, 432, \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Pick out numbers greater than 240:\r \n" ); document.write( "\n" ); document.write( "241, 243, 312, 314, 321, 324, 341, 342, 412, 413, 421, 423, 431, 432, \r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |