Mock AIME 3 Pre 2005 Problems/Problem 2: Difference between revisions
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==Problem== | |||
Let <math>N</math> denote the number of <math>7</math> digit positive integers have the property that their digits are in increasing order. Determine the remainder obtained when <math>N</math> is divided by <math>1000</math>. (Repeated digits are allowed.) | |||
==Solution== | |||
{{solution}} | |||
==See also== | |||
Revision as of 07:35, 14 February 2008
Problem
Let 
denote the number of 
digit positive integers have the property that their digits are in increasing order. Determine the remainder obtained when is divided by 
. (Repeated digits are allowed.)
Solution
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