Reasoning problems

Problem Name Online Judge Difficulty Level
1 Why this kolaveri di SPOJ 1
2 DOTA HEROES SPOJ 1
3 FANCY NUMBERS SPOJ 1
4 HOW MANY GAMES SPOJ 1
5 DIE HARD SPOJ 1
6 EVEN COUNT SPOJ 2
7 FUN WITH LETTERS SPOJ 3
8 LUCKYNINE SPOJ 3
9 FOREVER ALONE SPOJ 5
10 THE JUMPING BALL SPOJ 6
11 GAMING ARENA SPOJ 6
12 THE N WITTY FRIENDS SPOJ 7
13 TREE SHAPES SPOJ 8