2025
Hong Kong
HK Prelim Problems and Solutions
The first round of selection for Hong Kong's IMO team, set by the International Mathematical Olympiad Hong Kong Committee and today organised with the Hong Kong Academy for Gifted Education. It is held each May or June and normally lasts three hours, with about twenty problems that need answers only. High achievers are invited to a year-long training programme from which the IMO team is chosen.
2024
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2023
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2022
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2021
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2020
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2019
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2018
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2017
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2016
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2015
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2014
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2013
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2012
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2011
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2010
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2009
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2008
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2007
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2006
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2005
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2004
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2003
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2002
Hong Kong
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