A hoiday fruit box contains a dozen each apples oranges and grapefruits. What is the least number of pieces of fruit must you pick to guarantee that you have three of the same kind?

Answer 1

27. suppose you pick 12 apples, then 12 Oranges, and the only thing left would be grapefruits, leaving you to pick 3 of them, and you now have at least 3 of the same of each kind of fruit. 7 if you only need 3 of any fruit.