That's Odd
  • How many integers in the set {100, 101, 102, 103, . . . , 999, 1000} do not contain any odd digits?

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