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VTMO 2026 - Grade 5 - Semifinal - SET 1 - Self-study Question 10

VTMO · VTMO 2026 - Grade 5 - Semifinal - SET 1 - Self-study

Question 10

Every year has at least one Friday the 13th and at most three. For example, 2015 had three, in February, March and November. Starting from 2023, how many more years must pass before the next year with three Friday-the-13th dates?

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