Problem-solving under pressure is a vital skill for success in UPSC preparation. The exam's unpredictable nature, coupled with time constraints, necessitates quick thinking and effective decision-making. Candidates should practice timed mock tests and simulated interviews to become accustomed to managing stress. Additionally, developing resilience and adaptability will enhance performance during unforeseen circumstances. Engaging in regular physical activity and mindfulness exercises can also help alleviate stress, ensuring that candidates maintain focus. Ultimately, mastering problem-solving techniques while managing pressure is crucial for doing well in high-stakes examinations like the UPSC.