Not necessarily more sophisticated, but definitely more personal and thoughtful.
One mistake candidates make is trying to impress partners with overly complex questions. Most partners have heard hundreds of those.
Instead, I'd focus on questions that show genuine curiosity and maturity.
For example:
- "Looking back at your career, what do you think differentiates consultants who have long-term success at the firm?"
- "How has the office/client work changed over the last few years?"
- "What do you think will be the biggest opportunities and challenges for the firm in the next 3-5 years?"
- "What keeps you excited about consulting after all these years?"
If you've had a good conversation during the interview, it's even better to build on something the partner mentioned rather than asking a generic question you prepared in advance.
Also remember that by final round they're usually evaluating whether they'd like to work with you, not whether you can ask the smartest question in the room.
A thoughtful question that creates a genuine conversation is typically much more effective than something that sounds overly rehearsed.