I know of a few folks who used memory aids on the word problems. i.e. when I, I mean they took it, the word problem listed the HABUT intersection. Catholic Nuns wear Habit's. Catholic starts with "C". The answer is "C".

They knew how to work the problem the long way, just in case it came up during the oral, but this was a method to get thru the written

Caveat Emptor!