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There are 300 white boxes and n red boxes in storage. Each box contains the same number of soccer balls. The total number of soccer balls in all of the ...

Some coins are placed on a 20 × 13-board. Two coins are called neighbors if they are in the same row or column and no other coins between them. What is ...

For each positive integer n, deﬁne f(n) such that f(n) is a positive integer, f(n + 1) > f(n) and f(f(n)) = 3n. The value of ...

The Mathematics Olympiad questions used to be split into two parts. One of them had geometry in it, but now there are three parts but non have any geometry. Is ...

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