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Canadian Open Math Challenge
2011 Canadian Open Math Challenge
2
2
Part of
2011 Canadian Open Math Challenge
Problems
(1)
COMC 2011 Problem 2
Source:
11/4/2012
Carmen selects four different numbers from the set
{
1
,
2
,
3
,
4
,
5
,
6
,
7
}
\{1, 2, 3, 4, 5, 6, 7\}
{
1
,
2
,
3
,
4
,
5
,
6
,
7
}
whose sum is 11. If
l
l
l
is the largest of these four numbers, what is the value of
l
l
l
?