Beating a record C#

Problems

Name Solved / Tries Average tries Average tries to solve
A Trik 0/0 (0%) -- --
B Take Two Stones 0/0 (0%) -- --
C Knight Packing 0/0 (0%) -- --
D Oddities 0/0 (0%) -- --
E Last Factorial Digit 0/0 (0%) -- --
F A Different Problem 0/0 (0%) -- --