Date x Day = Year
  • April 22, 1988 is represented by 4/22/88. Notice that the product of the month and day is equal to the two-digit representation of the year. Exactly how many times between January 1, 1990 and January 1, 2000 did this unique trait occur?

Answer:    
  Please enter a numerical answer
(ex. 1000 or 2.033) and click GO.
   

Contest problems and answers provided by:

David Rock
rock_david@colstate.edu
Columbus State University

Doug Brumbaugh
brumbad@pegasus.cc.ucf.edu
University of Central Florida