“Stump the Chump” questions normal in DS interviews?

Been applying for my first DS job and getting through interviews with three companies. Most of them have gone pretty good with fairly standard knowledge questions and I answered them to the best of my ability.

However, the one I just had just threw me for a loop. Interviewed with the director of the department as well as a DS within the department and everything was fine at first. Standard mix of non-technical and technical questions but then out of …

datascience interviews normal