User:Piphi/AoPS Wiki/Template:Weeklyproblem

Problem of the Week

2000 AMC 12, Problem 18

In year $N$, the $300^{\text{th}}$ day of the year is a Tuesday. In year $N+1$, the $200^{\text{th}}$ day is also a Tuesday. On what day of the week did the $100$th day of year $N-1$ occur?