SOLUTION: A box contains 4 red cards, 2 blue cards and 3 green cards. What is the smallest number of cards we must take from the box to make sure that we have 2 red cards?
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Question 1143858: A box contains 4 red cards, 2 blue cards and 3 green cards. What is the smallest number of cards we must take from the box to make sure that we have 2 red cards?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
In the worst case, you draw 2 blue and 3 green
( in any order )
Then you must draw 2 cards and you will have 2 red
-------------------------
To be GUARANTEED you have 2 red cards you take
cards from the box
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