[MariuszGalus]

Question 1. Linear Algebra Level

Question 2. Calculus II Level

Question 3. Probability & Statistics Level

You learn how to solve all of this in Undergraduate American Engineering courses.

[RodericDay]

Yep. I was going to say the same thing, seems like a pretty solid test. Series and linear algebra, calculus, probability sounds like just about everything I saw in my Mechanical Engineering degree.