document.write( "Question 1188843: How many four-digit numbers each less than 5000 can be formed
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Algebra.Com's Answer #820026 by ikleyn(52790) $\"\"$ $\"About$

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\n" ); document.write( "How many four-digit numbers each less than 5000 can be formed with digits 1, 2, 4, 6, 8 if no
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document.write( "The leading digit can be only 1, 2 or 4  (only three possibilities)\r\n" );
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document.write( "The digit in the 2nd position can be any of 5-1 = 4 remaining digits;\r\n" );
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document.write( "The digit in the 3rd position can be any of 5-2 = 3 remaining digits;\r\n" );
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document.write( "The digit in the 4th position can be any of 5-3 = 2 remaining digits.\r\n" );
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document.write( "So the answer is:  3*4*3*2 = 72 four digits numbers are possible under the imposed restriction.\r\n" );
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