2000004505

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2000004505
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Easy: 
1
Out of \(15\) boys and \(15\) girls in a class, \(5\) boys and \(5\) girls got A, \(5\) boys and \(5\) girls got B, and another \(5\) boys and \(5\) girls got C on a Math-test. (There were no Ds and Fs on this test.) Determine the smallest value of \(n\in\mathbb{N}\), so that if a team of \(n\) children is set-up, then certainly at least two children of the same gender and with the same grade are on the team.
\( 7\)
\( 6\)
\( 15 \)
Could not be determined.