2 Matching Annotations
  1. Dec 2021
    1. The keywords “at least” mean we could have two, three, or four blue balls. There are

      The example contains text: "Assume that balls of the same color are indistinguishable". Also it seems their order does not matter. So I would say this are all the possible solutions: BBRR BBRG BBGG BBBR BBBG BBBB where: B - blue ball R - red ball G - green ball

    2. nine

      Zero should also be included, so that would be 10 digits.