Difference between revisions of "1995 IMO Problems/Problem 6"

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Latest revision as of 21:39, 4 July 2024

Problem

Let $p$ be an odd prime number. How many $p$-element subsets $A$ of ${1,2,\ldots,2p}$ are there, the sum of whose elements is divisible by $p$?

Solution

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See Also

1995 IMO (Problems) • Resources
Preceded by
Problem 5
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Last Question
All IMO Problems and Solutions