I failed the pilapt, but unlike you I talk about what I know and I shut my mouth on things I don't.
So yeah, about the maths test, it is NOT about applying rules. How can you talk about something you haven't a clue of what it is about ????
You will pass the maths test if you're able to find a quicker way to solve the problems other than directly apply rules. It is all about logic.
However, I do agree it is fairly easy, and I don't think a lot of people fail at this stage of selection.