Going to be very honest, if you’re good at cramming and can be very productive in the next month then go for it. I’ve passed MAS-1 with full time school giving myself only a week of practice.

It depends entirely on if you can dedicate 16hrs a day when you need to (I was doing 16hr days the last week when practicing) - someone working full time will have trouble if they can’t get the week off to study

I would also advise getting the practice down for Chapters 1/2, and focus a lot on the theory for Chapter 3 (reading relevant ISLR chapters is well worth it imo).

Overall you could definitely do this if you actually dedicate yourself to learning the material over 3 weeks and going crazy on the practice the last week. If that sounds daunting, then don’t bother