[Xcelerate]

Agreed. I have horrible short term memory but these questions are trivial as a "homework" type assignment. Plus, for my current data scientist role, the interview consisted of me bringing in a project I had worked on (actual code) and demonstrating how it worked. I much prefer that tactic. I think it gives you greater insight into the candidate.

[gaius]

bringing in a project I had worked on (actual code

I don't think commercial confidentiality makes that a viable generic method...

[Xcelerate]

Should have clarirified. This was right out of grad school—so code for my research.