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AMC 12 2023a Problem 7

  • Paper

A digital display shows the current date as an 88-digit integer consisting of a 44-digit year, followed by a 22-digit month, followed by a 22-digit date within the month. For example, Arbor Day this year is displayed as 2023042820230428. For how many dates in 20232023 will each digit appear an even number of times in the 8-digital display for that date?

\textbf{(A)}~5 \textbf{(B)}~6 \textbf{(C)}~7 \textbf{(D)}~8 \textbf{(E)}~9

Dataset text AMC 12 2000 to 2025. Quoted with source.

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E

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