A specific numerical answer can be given, but there are multiple ways the tournament can be setup, for example, are there play-in games, byes, etc. I would think the question is being given to a manager to see how they think and process, and then come up with a specific numerical answer, as opposed to just a math problem.

Before I could figure that out, I'd need to know whether the # of participants represents the number of individuals on larger teams, or the number of teams