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 n people, Where n is :

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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 n people, where n is :


Correct option is


Grope of people ≡ no. of different forecasts that can be done.

3 kinds of forecasts ≡ win, loss or draw

No. of ways

Hence n = 243



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