Past Exams

The AMC 8 has 25 multiple-choice problems and a 40-minute time limit. Each correct answer earns 1 point, and blank or wrong answers earn 0, for a maximum score of 25.

Each AMC 10 and AMC 12 paper has 25 multiple-choice problems and a 75-minute time limit. Each correct answer earns 6 points, each blank earns 1.5 points, and each wrong answer earns 0, for a maximum score of 150. Most years have an A and a B paper.

Each AIME paper has 15 problems and a 3-hour time limit. Every answer is an integer from 0 to 999, with no answer choices. Each correct answer earns 1 point, and blank or wrong answers earn 0, for a maximum score of 15.

No. Calculators are not allowed on the AMC 8, AMC 10, AMC 12, or AIME, and LumenX runs every paper the same way.

Yes. After you submit, you see the answer key and a link to each problem's AoPS wiki solutions. 49 papers also have full step-by-step LumenX solutions, and each paper's page says whether it does.

Both. Timed uses the real limit and can be published to the leaderboards. Untimed has no limit and stays off the leaderboards.

Yes. Every past exam on LumenX is free. Sign in to take one, and your scores save to your account and show up in Analytics.