SOLUTION: There are 3 red,4 white,5 purple & 6 blue balls inside the box.If I want to have 4 balls with each colour what will be the minimum numbers of balls I have to take?

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Question 865814: There are 3 red,4 white,5 purple & 6 blue balls inside the box.If I want to have 4 balls with each colour what will be the minimum numbers of balls I have to take?
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
6+5+4+1=16 balls must be taken before you can be absolutely sure you have a red ball.