Mock exam: CAS OC1
A timed, exam-style set of multiple-choice questions drawn from the CAS OC1 bank. Written questions are shown for practice but are not scored.
Practice mode
This attempt is multiple-choice only, drawn from the question bank (with optional AI top-up).
Format
75 questions · 2.5 hours
Official format: 75 questions · 2.5 hours · pass mark ≈70%