@Opsimath,
#20 - Not test, nor county. A big score not a small one
#47 - Film titles with a word in common
#48 - Think classic races and horse ages, you'll soon get it.
I need assistance with 22, 24, 43, 44. Utterly stumped on 37 like everyone else seems to be.
Also a clue to the logic of 27 would be helpful, I have an answer but would like some confirmation.