I actually only did tests 1-8. Didn't get the chance to do the last 2 or do any of the other ones again.
Holepunching: Its just practice. Just make sure you look at the symmetry of the fold. If you are running out of time, you can sometimes eliminate 2-3 choices just by looking at the type of folds you have. also, if you are sufficiently fast on the other PAT stuff, you can use a grid to help out with the 2-3 that are actually hard. Also, sometimes there are a billion things happening, so make sure you go backwards 1 step at a time. "Okay so from this fold I got a hole here and here... Ok now to the next one I fold symmetrically over here, so now I have holes here here here here etc." There are no steps you can really skip, so speed isn't really from a trick as much as how fast can you actually do it. again, practice 🙂
Angles: I wish I knew, I pretty much gave up on all techniques and just used my eyes, with some hill technique... prolly got lucky lol.
TFE: I never ever answered a question where it was like "here is A B C D, I think its A". Never. Its always elimination. I don't even really look at the object at the beginning. I just see the differences in the answer, and try to eliminate. Some questions you can picture the object, some you cannot. So you have to find the line that is "supposed to be there". At first, I'd look at one detail and eliminate one, then look at another detail, and eliminate another, etc. But I found that most of the time you take 3 passes to get your right answer. So when you look for differences in the choices, find things that are shared by 2 but not by the other 2. For example, if a line is dashed in 2, and solid in another 2, that would be a prime candidate for inspection, because it eliminates half the choices. Sometimes, every single one is kind of different, and sometimes the actual thing you are inspecting is undeterminable and you have to look else where. These things become more apparent with some practice.
Also I'm pretty sure most of this stuff is common sense, the key is practice. Also make sure you go over your tests very thoroughly (even more thorough than when doing them) to look for patterns. There are only so many things they can throw at you.