Problem-solving skills significantly aid in UPSC exam preparation by enabling aspirants to tackle complex issues and case studies effectively. These skills encourage a structured approach to analyzing problems, breaking them down into manageable parts, and developing logical solutions. By practicing case studies and situational questions, candidates can enhance their critical thinking abilities. Moreover, cultivating resilience through problem-solving exercises prepares aspirants for the unpredictable nature of real-world administrative challenges, ultimately fostering a mindset geared towards effective decision-making.