RPF SI 2018 Question Paper held on 11 January 2019 in Shift 3 featured 120 multiple-choice questions covering General Awareness, Arithmetic, and General Intelligence & Reasoning. The difficulty level for this shift was generally moderate, with a good blend of factual and reasoning-based questions. Reviewing this paper helps candidates understand the exam pattern, question distribution, and the type of concepts frequently tested in the RPF SI examination.