⟩ Can you give me a few examples of where you made a tough decision and it backfired?
The second question is a tough one to handle for candidates and it reveals their honesty and compels them to talk about an instance when they failed. It's also important to see how the candidate handles failure and learns from it.
I sincerely hope that the list of important competencies and related questions will help hiring managers hire the right candidates. I am quite confident that it will also help aspiring candidates prepare well for interviews for the role of Project Manager.