RRB NTPC 2024 Undergraduate CBT 1 exam (14 August 2025, Shift 1) was of moderate difficulty. It included 100 questions for 100 marks to be completed in 90 minutes, with 1/3rd negative marking for wrong answers. The paper covered General Awareness, Mathematics, and Reasoning. Reasoning was comparatively easier, Mathematics had a few time-intensive problems, and General Awareness tested both current affairs and static topics. Those who balanced speed and accuracy fared well.