Multiple Choice:
Part A:
1D 2E 3D 4B 5D 6D 7D 8A 9C
10C 11A 12A 13A 14B 15B
Part B:
1A 2A 3B 4B 5D 6C 7C 8A 9A 10C 11A 12D
13A 14B 15C 16A 17B 18B 19A 20A 21B 22A
Short answers:
Part C:
1) 78 2) 339 3) 45 4) 440 (or 441 depending which conversions you use) 5) 9