Difference between revisions of "Mock AIME 3 Pre 2005 Problems/Problem 2"
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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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