SOLUTION: There are 25 red pens, 25 green pens and 25 blue pens in a box. You are blindfolded, how many pens must you get to make sure that you get at least 3 pens of the same color.
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Question 1008773: There are 25 red pens, 25 green pens and 25 blue pens in a box. You are blindfolded, how many pens must you get to make sure that you get at least 3 pens of the same color.
Answer by fractalier(6550) (Show Source): You can put this solution on YOUR website!
To get three pens of the same color, you would need to draw at most 7 pens.
You could get 2 of each...but that 7th pen gives you three of one color...
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