2023 AMC 12A Problem 7
A digital display shows the current date as an -digit integer consisting of a -digit year, followed by a -digit month, followed by a -digit date within the month. For example, Arbor Day this year is displayed as . For how many dates in will each digit appear an even number of times in the 8-digital display for that date?
Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.
Show/Hide Problem Tags
Problem Tags: Counting and probability
Want to contribute problems and receive full credit? Click here to add your problem!
Please report any issues to us in our Discord server
Go to previous contest problem (SHIFT + Left Arrow) Go to next contest problem (SHIFT + Right Arrow)