Starter practice (by MSK)

Problems

Name Solved / Tries Average tries Average tries to solve
A The Easiest Problem Is This One 4/4 (100%) 1.00 1.00
B Secret Message 4/9 (44%) 2.25 2.25
C Booking a Room 3/6 (50%) 1.20 1.00
D Quick Brown Fox 3/5 (60%) 1.25 1.33
E Erase Securely 4/5 (80%) 1.25 1.25
F Simple Addition 4/5 (80%) 1.25 1.25
G Secure Doors 2/2 (100%) 1.00 1.00
H What does the fox say? 4/10 (40%) 2.50 2.50
I Numbers On a Tree 3/3 (100%) 1.00 1.00
J A Towering Problem 3/6 (50%) 1.50 1.67