Combinatorics

331 results

ProblemSourceTags
Grade 11 2002 Problem 4Grade 11 2002ColoringCombinatoricsGraphs
Grade 11 2003 Problem 4Grade 11 2003ColoringCombinatoricsCube
Grade 11 2004 Problem 4Grade 11 2004BoardColoringCombinatorics
Grade 11 2005 Problem 4Grade 11 2005ColoringCombinatoricsPolygon
Grade 11 2006 Problem 4Grade 11 2006CombinatoricsGraphs
Grade 11 2007 Problem 4Grade 11 2007CombinatoricsOptimizationSeq
Grade 11 2008 Problem 5Grade 11 2008BoardCombinatoricsOptimization
Grade 11 2009 Problem 5Grade 11 2009CombinatoricsCubeGames
Grade 11 2010 Problem 5Grade 11 2010CombinatoricsCounting
Grade 11 2011 Problem 5Grade 11 2011BoardColoringCombinatorics
Grade 11 2013 Problem 5Grade 11 2013CombinatoricsCounting
Grade 11 2014 Problem 5Grade 11 2014CircleCombinatoricsGeometry
Grade 11 2015 Problem 3Grade 11 2015CombinatoricsGraphs
Grade 11 2016 Problem 5Grade 11 2016BoardCombinatoricsTiling
Grade 11 2017 Problem 5Grade 11 2017ColoringCombinatoricsCountingPolygon
Grade 11 2018 Problem 5Grade 11 2018CombinatoricsDigitsGamesMod
Grade 11 2019 Problem 3Grade 11 2019BoardCombinatoricsOptimizationTiling
Grade 11 2020 Problem 4Grade 11 2020ColoringCombinatoricsCoordParity
Grade 11 2023 Problem 5Grade 11 2023BoardCombinatoricsGames
Grade 11 2024 Problem 5Grade 11 2024CombinatoricsGames
Grade 11 2025 Problem 3Grade 11 2025CombinatoricsOptimizationTables
Grade 11 2026 Problem 5Grade 11 2026CombinatoricsEquilateralGames
Grade 11 2020 Problem 2Grade 11 2020CombinatoricsCountingDigits
Grade 11 2021 Problem 4Grade 11 2021CombinatoricsOptimizationTiling
Grade 11 2022 Problem 7Grade 11 2022CombinatoricsCountingDivisibilityTables
Grade 11 2026 Problem 5Grade 11 2026BoardColoringCombinatoricsOptimization
Grade 11 2015 Problem 5Grade 11 2015CombinatoricsDivisibility
Grade 11 2016 Problem 5Grade 11 2016BoardColoringCombinatoricsOptimization
Grade 11 2017 Problem 5Grade 11 2017CombinatoricsOptimization
Grade 11 2018 Problem 5Grade 11 2018CombinatoricsOptimizationSeq
Grade 11 2019 Problem 5Grade 11 2019CombinatoricsCounting
Grade 11 2020 Problem 5Grade 11 2020ColoringCombinatoricsPolygon3D
Grade 11 2021 Problem 5Grade 11 2021CombinatoricsGraphsParity
Grade 11 2022 Problem 5Grade 11 2022CombinatoricsNT
Grade 11 2023 Problem 5Grade 11 2023BoardColoringCombinatoricsTiling
Grade 11 2024 Problem 5Grade 11 2024CombinatoricsConstruction
Grade 11 2025 Problem 5Grade 11 2025CombinatoricsGraphsOptimizationPolygon
Grade 11 2026 Problem 5Grade 11 2026CombinatoricsConstruction
Grade 12 1997 Problem 4Grade 12 1997CombinatoricsCountingPolygonTriangle
Grade 12 1998 Problem 3Grade 12 1998CombinatoricsConstructionFunctions
Grade 12 1998 Problem 4Grade 12 1998CombinatoricsGames
Grade 12 1999 Problem 2Grade 12 1999CombinatoricsCountingPermutations
Grade 12 2001 Problem 4Grade 12 2001CombinatoricsOptimizationTables
Grade 12 2003 Problem 3Grade 12 2003CombinatoricsPermutations
Grade 12 2006 Problem 4Grade 12 2006CombinatoricsGraphs
Grade 12 2007 Problem 3Grade 12 2007ColoringCombinatoricsTables
Grade 12 2008 Problem 5Grade 12 2008BoardCombinatoricsOptimization
Grade 12 2010 Problem 5Grade 12 2010CombinatoricsCountingTables
Grade 12 2011 Problem 1Grade 12 2011CombinatoricsConstructionSeq
Grade 12 2011 Problem 5Grade 12 2011CombinatoricsGeometryPolygon