Rock Ridge 01_22_20

Problems

Name Solved / Tries Average tries Average tries to solve
A Last Factorial Digit 8/8 (100%) 1.00 1.00
B This Ain't Your Grandpa's Checkerboard 4/6 (67%) 1.50 1.50
C Egypt 7/12 (58%) 1.71 1.71
D Popular Vote 4/10 (40%) 2.00 2.00
E Happy Happy Prime Prime 3/9 (33%) 2.25 2.33
F DVDs 0/0 (0%) -- --