Category:Introductory Combinatorics Problems
This page lists all the introductory combinatorics problems in the AoPSWiki.
Pages in category "Introductory Combinatorics Problems"
The following 200 pages are in this category, out of 202 total.
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- 1950 AHSME Problems/Problem 45
- 1963 AHSME Problems/Problem 27
- 1973 AHSME Problems/Problem 2
- 1974 AHSME Problems/Problem 24
- 1974 AHSME Problems/Problem 3
- 1980 AHSME Problems/Problem 20
- 1985 AJHSME Problems/Problem 15
- 1985 AJHSME Problems/Problem 22
- 1986 AHSME Problems/Problem 10
- 1986 AJHSME Problems/Problem 24
- 1986 AJHSME Problems/Problem 7
- 1986 AJHSME Problems/Problem 9
- 1987 AJHSME Problems/Problem 25
- 1988 AHSME Problems/Problem 14
- 1988 AJHSME Problems/Problem 16
- 1988 AJHSME Problems/Problem 25
- 1990 AHSME Problems/Problem 16
- 1990 AHSME Problems/Problem 9
- 1990 AJHSME Problems/Problem 12
- 1990 AJHSME Problems/Problem 19
- 1990 AJHSME Problems/Problem 25
- 1991 AHSME Problems/Problem 15
- 1991 AJHSME Problems/Problem 17
- 1991 AJHSME Problems/Problem 23
- 1991 AJHSME Problems/Problem 9
- 1995 AHSME Problems/Problem 11
- 1995 AHSME Problems/Problem 20
- 1996 AHSME Problems/Problem 10
- 1996 AHSME Problems/Problem 22
- 1997 PMWC Problems/Problem I12
- 1997 PMWC Problems/Problem I15
- 1997 PMWC Problems/Problem T7
- 1998 AHSME Problems/Problem 24
- 1999 AHSME Problems/Problem 24
2
- 2000 AMC 12 Problems/Problem 23
- 2000 AMC 12 Problems/Problem 4
- 2001 AMC 8 Problems/Problem 23
- 2002 AMC 10B Problems/Problem 9
- 2002 AMC 12A Problems/Problem 16
- 2002 AMC 12B Problems/Problem 10
- 2002 AMC 12B Problems/Problem 14
- 2002 AMC 12B Problems/Problem 16
- 2003 AIME I Problems/Problem 3
- 2003 AMC 10A Problems/Problem 21
- 2003 AMC 10A Problems/Problem 23
- 2003 AMC 12A Problems/Problem 20
- 2003 AMC 12B Problems/Problem 19
- 2004 AMC 10A Problems/Problem 10
- 2004 AMC 10A Problems/Problem 12
- 2004 AMC 10A Problems/Problem 16
- 2004 AMC 12A Problems/Problem 20
- 2004 AMC 12B Problems/Problem 20
- 2005 AIME II Problems/Problem 1
- 2005 Alabama ARML TST Problems/Problem 10
- 2005 Alabama ARML TST Problems/Problem 5
- 2005 AMC 10A Problems/Problem 15
- 2005 AMC 10A Problems/Problem 18
- 2005 AMC 10B Problems/Problem 21
- 2005 AMC 12A Problems/Problem 11
- 2005 AMC 12A Problems/Problem 14
- 2005 AMC 12A Problems/Problem 23
- 2005 PMWC Problems/Problem I11
- 2005 PMWC Problems/Problem I3
- 2006 AMC 10A Problems/Problem 13
- 2006 AMC 10A Problems/Problem 18
- 2006 AMC 10A Problems/Problem 21
- 2006 AMC 10B Problems/Problem 17
- 2006 AMC 10B Problems/Problem 21
- 2006 AMC 12A Problems/Problem 20
- 2006 AMC 12A Problems/Problem 24
- 2006 AMC 12B Problems/Problem 7
- 2006 Cyprus MO/Lyceum/Problem 21
- 2006 iTest Problems/Problem 15
- 2006 iTest Problems/Problem U3
- 2007 Alabama ARML TST Problems/Problem 5
- 2007 AMC 10A Problems/Problem 11
- 2007 AMC 10A Problems/Problem 12
- 2007 AMC 10B Problems/Problem 20
- 2007 AMC 10B Problems/Problem 22
- 2007 AMC 12B Problems/Problem 13
- 2007 AMC 12B Problems/Problem 16
- 2007 AMC 12B Problems/Problem 21
- 2007 Cyprus MO/Lyceum/Problem 16
- 2007 Cyprus MO/Lyceum/Problem 18
- 2007 Indonesia MO Problems/Problem 4
- 2007 Indonesia MO Problems/Problem 5
- 2007 iTest Problems/Problem 12
- 2007 iTest Problems/Problem 13
- 2007 iTest Problems/Problem 16
- 2007 iTest Problems/Problem 33
- 2007 iTest Problems/Problem 4
- 2008 AMC 10A Problems/Problem 22
- 2008 AMC 12A Problems/Problem 21
- 2008 AMC 12B Problems/Problem 22
- 2008 AMC 12B Problems/Problem 6
- 2008 iTest Problems/Problem 27
- 2008 iTest Problems/Problem 28
- 2008 iTest Problems/Problem 50
- 2008 iTest Problems/Problem 54
- 2008 iTest Problems/Problem 64
- 2008 iTest Problems/Problem 67
- 2008 iTest Problems/Problem 81
- 2008 iTest Problems/Problem 95
- 2009 AMC 10A Problems/Problem 22
- 2009 AMC 10A Problems/Problem 24
- 2009 AMC 10B Problems/Problem 23
- 2009 AMC 12B Problems/Problem 20
- 2009 AMC 12B Problems/Problem 21
- 2009 UNCO Math Contest II Problems/Problem 6
- 2010 AMC 12A Problems/Problem 15
- 2010 AMC 12A Problems/Problem 16
- 2010 AMC 12A Problems/Problem 18
- 2010 AMC 12A Problems/Problem 19
- 2010 AMC 12B Problems/Problem 11
- 2010 AMC 12B Problems/Problem 16
- 2010 AMC 12B Problems/Problem 17
- 2010 UNCO Math Contest II Problems/Problem 5
- 2011 AMC 10A Problems/Problem 21
- 2011 AMC 12A Problems/Problem 16
- 2011 AMC 12A Problems/Problem 2
- 2011 JBMO Problems/Problem 3
- 2012 AIME I Problems/Problem 1
- 2012 AMC 10A Problems/Problem 20
- 2012 AMC 10B Problems/Problem 25
- 2012 AMC 12B Problems/Problem 16
- 2012 AMC 12B Problems/Problem 18
- 2012 AMC 12B Problems/Problem 8
- 2013 AMC 10A Problems/Problem 24
- 2013 AMC 10B Problems/Problem 22
- 2013 AMC 12A Problems/Problem 15
- 2014 AMC 10A Problems/Problem 17
- 2014 UNCO Math Contest II Problems/Problem 7
- 2015 AIME I Problems/Problem 12
- 2015 AIME I Problems/Problem 2
- 2015 AIME I Problems/Problem 5
- 2015 AMC 10A Problems/Problem 10
- 2015 AMC 10A Problems/Problem 22
- 2015 AMC 8 Problems/Problem 10
- 2015 AMC 8 Problems/Problem 11
- 2015 AMC 8 Problems/Problem 4
- 2015 AMC 8 Problems/Problem 7
- 2016 AMC 10B Problems/Problem 22
- 2016 AMC 8 Problems/Problem 17
- 2016 AMC 8 Problems/Problem 21
- 2017 AMC 10A Problems/Problem 19
- 2017 AMC 10A Problems/Problem 8
- 2017 AMC 10B Problems/Problem 17
- 2017 AMC 12B Problems/Problem 13
- 2017 AMC 12B Problems/Problem 16
- 2017 AMC 8 Problems/Problem 10
- 2017 AMC 8 Problems/Problem 15
- 2017 AMC 8 Problems/Problem 20
- 2017 AMC 8 Problems/Problem 24
- 2018 AMC 10A Problems/Problem 4
- 2018 AMC 10B Problems/Problem 14
- 2018 AMC 12B Problems/Problem 15
- 2018 AMC 12B Problems/Problem 5
- 2018 AMC 8 Problems/Problem 11
- 2018 AMC 8 Problems/Problem 16
- 2018 AMC 8 Problems/Problem 19
- 2019 AIME I Problems/Problem 2
- 2019 AIME II Problems/Problem 2
- 2019 AMC 8 Problems/Problem 11
- 2019 AMC 8 Problems/Problem 13
- 2019 AMC 8 Problems/Problem 19
- 2019 AMC 8 Problems/Problem 25
- 2019 AMC 8 Problems/Problem 6
- 2020 AMC 10A Problems/Problem 25
- 2020 AMC 8 Problems/Problem 10
- 2020 AMC 8 Problems/Problem 21
- 2020 AMC 8 Problems/Problem 23
- 2020 AMC 8 Problems/Problem 4
- 2020 AMC 8 Problems/Problem 7
- 2021 AIME I Problems/Problem 1
- 2022 AMC 10A Problems/Problem 9
- 2022 AMC 8 Problems/Problem 14
- 2022 AMC 8 Problems/Problem 23
- 2022 AMC 8 Problems/Problem 25
- 2023 AIME I Problems/Problem 1
- 2023 AIME I Problems/Problem 3
- 2023 AMC 10A Problems/Problem 20
- 2023 AMC 8 Problems/Problem 8
- 2024 AIME II Problems/Problem 1
- 2024 AMC 8 Problems/Problem 1
- 2024 AMC 8 Problems/Problem 13
- 2024 AMC 8 Problems/Problem 17
- 2024 AMC 8 Problems/Problem 2
- 2024 AMC 8 Problems/Problem 25
- 2024 AMC 8 Problems/Problem 3
- 2024 AMC 8 Problems/Problem 4
- 2024 AMC 8 Problems/Problem 5
- 2024 AMC 8 Problems/Problem 6
- 2024 AMC 8 Problems/Problem 7
- 2024 AMC 8 Problems/Problem 8
- 2025 AMC 8 Problems/Problem 15
- 2025 AMC 8 Problems/Problem 25
