RRB NTPC 2024 UG Level CBT-1 exam Shift 3 on August 8, 2025, had a moderate difficulty level, with sections on General Awareness, Mathematics, and General Intelligence and Reasoning. The exam consists of 100 multiple-choice questions and lasts for 90 minutes, with a negative marking system. The selection process includes CBT-1, CBT-2, Typing Skill Test (if applicable), Document Verification, and a Medical Exam. Candidates who qualify CBT-1 proceed to CBT-2, with final selection based on performance across all stages.