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ProblemSourceTags
Grade 12 2020 Problem 5Grade 12 2020CombinatoricsCountingSeq
Grade 12 2021 Problem 1Grade 12 2021FactorialNTPowersPrimes
Grade 12 2021 Problem 2Grade 12 2021AlgebraComplexSystems
Grade 12 2021 Problem 3Grade 12 2021AlgebraInequalities
Grade 12 2021 Problem 4Grade 12 2021CombinatoricsCountingPermutations
Grade 12 2021 Problem 5Grade 12 2021AnglesCircleCircumcircleGeometryTriangle
Grade 12 2022 Problem 1Grade 12 2022AlgebraEqPolynomials
Grade 12 2022 Problem 2Grade 12 2022DivisibilityNTSeq
Grade 12 2022 Problem 3Grade 12 2022DiophantineNTPowers
Grade 12 2022 Problem 4Grade 12 2022CombinatoricsGeometryOptimizationPolygon
Grade 12 2022 Problem 5Grade 12 2022CentroidCircleGeometryTriangle
Grade 12 2023 Problem 1Grade 12 2023DiophantineExpFactorialNT
Grade 12 2023 Problem 2Grade 12 2023AlgebraComplexSeq
Grade 12 2023 Problem 3Grade 12 2023AlgebraEqPolynomials
Grade 12 2023 Problem 4Grade 12 2023AnglesCircleGeometryTangent
Grade 12 2023 Problem 5Grade 12 2023CombinatoricsDigitsOptimization
Grade 12 2024 Problem 1Grade 12 2024ModNTRemainders
Grade 12 2024 Problem 2Grade 12 2024AlgebraPolynomials
Grade 12 2024 Problem 3Grade 12 2024CircleGeometryPerpendicularityPolygon
Grade 12 2024 Problem 4Grade 12 2024DivisibilityNTPrimes
Grade 12 2024 Problem 5Grade 12 2024NTOptimization
Grade 12 2025 Problem 1Grade 12 2025AlgebraRecurrencesSeq
Grade 12 2025 Problem 2Grade 12 2025AlgebraComplexSystems
Grade 12 2025 Problem 3Grade 12 2025EqNTPowers
Grade 12 2025 Problem 4Grade 12 2025CircumcircleGeometryOrthocenterTangentTriangle
Grade 12 2025 Problem 5Grade 12 2025ConstructionDivisibilityNT
Grade 12 2026 Problem 1Grade 12 2026AlgebraSeq
Grade 12 2026 Problem 2Grade 12 2026AlgebraComplexRational
Grade 12 2026 Problem 3Grade 12 2026CombinatoricsGraphsOptimization
Grade 12 2026 Problem 4Grade 12 2026DivisibilityNTRadicalsSeq
Grade 12 2026 Problem 5Grade 12 2026CircleGeometryPerpendicularityRight triangle