Hi,
The main objective is to have a good conversation and highlight your intellectual capacity and curiosity. Thus:
It is ok to ask:
It's not ok to ask:
Be prepared and good luck!
Here are some great answers to that question:
https://www.preplounge.com/en/consulting-forum/questions-at-the-end-of-interview-1827
Dear A,
Ideally, there are questions hat could show your intrinsic interest in the company, person, or both ideally. So one of the greatest question could be for example the following:
"Now, look at your career XX long, what is the one project assignment, by looking back, makes you very proud of accomplishing smth great?"
Hope it helps,
Good luck,
André