Multiple Days
  • The day September 18th has an interesting trait. Notice that September is the 9th month. Therefore the 18th day is a multiple of the 9th month. How many days in a year are multiples of their month number?

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