FPP Open Competition #3: "Numbers and geometry"

Problems

Name Solved / Tries Average tries Average tries to solve
A Bus 3/4 (75%) 1.33 1.33
B Number Sets 0/0 (0%) -- --
C Jackpot 2/6 (33%) 3.00 3.00
D Peculiar primes 1/1 (100%) 1.00 1.00
E Interesting Integers 0/0 (0%) -- --
F Numbers On a Tree 0/0 (0%) -- --
G Veci 3/6 (50%) 2.00 2.00
H Closest Sums 2/2 (100%) 1.00 1.00
I Three Powers 1/4 (25%) 4.00 4.00
J Factovisors 0/4 (0%) 4.00 --