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National and Regional Contests
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MAA AMC
AMC 8
2005 AMC 8
16
16
Part of
2005 AMC 8
Problems
(1)
AMC 8 2005 Problem 16
Source:
7/23/2011
A five-legged Martian has a drawer full of socks, each of which is red, white or blue, and there are at least five socks of each color. The Martian pulls out one sock at a time without looking. How many socks must the Martian remove from the drawer to be certain there will be 5 socks of the same color?
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<span class='latex-bold'>(A)</span>\ 6\qquad<span class='latex-bold'>(B)</span>\ 9\qquad<span class='latex-bold'>(C)</span>\ 12\qquad<span class='latex-bold'>(D)</span>\ 13\qquad<span class='latex-bold'>(E)</span>\ 15
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