A: Possibly, but not advisable. Solved papers tell you what to write. They don't teach you how to think . You need standard textbooks (Laxmikanth/Fadia) for base concepts. Use Arihant for practice and revision.
In the 3 hours you waste searching, you could have written 2 answers on "Representative Bureaucracy" or "Citizen Charter." arihant public administration solved papers pdf free