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MathNet 2009-part-02 — 175 problems (EN–VI) Question 87

Math Olympiad Vault · MathNet 2009-part-02 — 175 problems (EN–VI)

Question 87

A group of $n \gt 1$ pirates of different ages owned a total of 2009 coins. Initially each pirate (except the youngest one) had one coin more than the next younger.

a) Find all possible values of $n$.

b) Every day a pirate was chosen. The chosen pirate gave a coin to each of the other pirates. If $n=7$, find the largest possible number of coins a pirate can have after several days.