IB ACIO Grade II Executive 2025 Tier 1 exam (Shift 2, 17 September 2025) was conducted from 9:00 AM to 10:00 AM and was considered moderately difficult. The exam comprised 100 multiple-choice questions, each carrying 1 mark, with a 0.25 mark negative marking for incorrect answers, totaling 100 marks. Candidates were allotted 60 minutes to complete the paper.