2006 AIME I Problems/Problem 2: Difference between revisions
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* [[Combinatorics]] | |||
[[Category:Intermediate Combinatorics Problems]] | [[Category:Intermediate Combinatorics Problems]] | ||
Revision as of 16:15, 18 July 2006
Problem
Let set
be a 90-element subset of
and let
be the sum of the elements of
Find the number of possible values of
Solution
The smallest S is
. The largest S is
. All numbers between 4095 and 4995 are possible values of S, so the number of possible values of S is
.