JEE Advanced Mathematics question

MathematicsPermutations and CombinationsJEE Advanced

Two teams are to play a series of 5 matches between them. A match ends in a win or loss or draw for a team. A number of people forecast the result of each match and no two people make the same forecast for the series of matches. The smallest group of people in which one person forecasts correctly for all the matches will contain people, where is

Answer: (B)

Solution

Each match has 3 possible results, so a forecast for the series is one of sequences. To be *sure* that someone forecasts every

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Question ID VK-108179