Selasa, 14 September 2010

22nd Canadian Mathematical Olympiad Problems 1990

22nd Canadian Mathematical Olympiad Problems 19901.  A competition is played amongst n > 1 players over d days. Each day one player gets a score of 1, another a score of 2, and so on up to n. At the end of the competition each player has a total score of 26. Find all possible values for (n, d). 2.  n(n + 1)/2 distinct numbers are arranged at random into n rows.

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