Perfect Pyramid
  • 1
    2 3 4
    5 6 7 8 9
    10 11 12 13 14 15 16

    If you continued this pyramid of numbers, what number would be directly below 121?

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