Only you can answer that question.
It's generally possible, yes. However, if you're easily confused i.e., struggle to switch from one task to another, it may not be the right approach.
Also, it's not just a matter of time based on what I have seen over the years:
- People pass MBB interviews that have very little time to prepare e.g., full-time professionals with a family and kids. They are highly disciplined and conscientious with a clear strategy.
- People fail MBB intterviews that have lots of time to prepare but don't apply themselves, struggle to incorporate feedback, don't have a clear strategy, or simply can't reach the level required.
Working with a coach is generally a huge time-saver and advisable if you're in doubt. If there's anything I can help you with in that regard, please reach out.
Best of luck!