Aspirants can prepare for the unpredictability of UPSC questions by diversifying their study materials and actively engaging with current affairs. Regularly reading newspapers, journals, and reports on various subjects will cultivate a broad awareness of issues. Practicing mock questions from different topics helps candidates anticipate types of inquiries and improves their analytical abilities. Additionally, joining study groups encourages knowledge sharing and debates on controversial topics. Building a foundational understanding of key subjects and continuously updating knowledge will equip aspirants to answer unexpected questions with confidence during the examination.