Happy new year 2019 digit problem - II (moved)

[barrysingh102]

Consider all 365 dates of 2019 expressed in the form MM-DD-YY, where MM, DD and YY represent the two-digit month, two-digit day and two-digit year, respectively. For how many of these dates is the sequence MM, DD, YY an arithmetic sequence?

 

[Deleted member 4993]

Consider all 365 dates of 2019 expressed in the form MM-DD-YY, where MM, DD and YY represent the two-digit month, two-digit day and two-digit year, respectively. For how many of these dates is the sequence MM, DD, YY an arithmetic sequence?

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[pka]

Consider all 365 dates of 2019 expressed in the form MM-DD-YY, where MM, DD and YY represent the two-digit month, two-digit day and two-digit year, respectively. For how many of these dates is the sequence MM, DD, YY an arithmetic sequence?

When sharing your work/thoughts about this assignment, Please try to give one example.