How many Marbles?
  • What is the smallest number of marbles when: grouping the marbles by fours leaves 2 extra marbles, grouping by fives leaves 1 extra, and there are more than 10 marbles in the collection?

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

Contest problems and answers provided by:

David Rock
Columbus State University

Doug Brumbaugh
University of Central Florida