1d, 2b, 3d, 4a, 5b, 6d
7d, 8b, 9d, 10b, 11a,
12c, 13a, 14b, 15b, 16c, 17b,
18a, 19a, 20d, 21b, 22b, 23b,
24d, 25d, 26b, 27c, 28c, 29d,
30c, 31c, 32a, 33d, 34c, 35c, 36a,
37b, 38b, 39d, 40d, 41b, 42b,
43c, 44b, 45d, 46n, 47a, 48d, 49a, 50d
An error was made in question 46; as it is, there is no right answer.