A former colleague Bill Wardlaw (March 3, 1936-January 2, 2013) used to create a “Problem of the Week” for his US Naval Academy students, giving a prize of a cookie if they could solve it. Some of these are listed below.

Problem of the week, 116

Problem of the week, 117

Problem of the week, 118

Problem of the Week, 119

Problem of the week, 120

Problem of the week, 121

Problem of the week, 137

Problem of the week, 148

Problem of the week, 150

Problem of the week, 154

Problem of the week, 155

Problem of the week, 161