1. Literary works are appreciation, and Chinese is language. The former is more literary and the latter is more technical (personal opinion). And there are intersections, but there is no relationship. 2. None of them are easy to take the exam, but there are many people who take the exam of ancient Chinese, and the professional sources are also very wide, and the difficulty will change. 3. The better universities in these three places should all have master's programs. I'm not sure I can help you. I suggest you choose your favorite school first and check it on the school website. Generally speaking, there will be no geographical restrictions on the postgraduate entrance examination, but some schools, such as some majors of Shaanxi Normal University, only recruit free normal students from their own schools, and universities may give students preferential treatment.
Besides, I just haven't graduated from college. All of the above are familiar with teachers, which may not be accurate. For reference only. Professionals should not spray.