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Free GAMSAT practice test — Sections I & III

The 15-minute GAMSAT practice test.

Real exam pace, worked reasoning after every answer.

Section III · Q 1 / 60:00

Read the passage, then tap an answer.

Field ecologists surveyed an isolated boreal valley each spring for eight consecutive years, counting the resident snowshoe hares (the only significant prey of the local lynx) and the lynx that hunt them. The estimated populations are shown below.
YearHaresLynx
1998120022
1999210031
2000340048
2001460068
2002390081
2003250064
2004140038
2005190029
Lynx in this valley feed almost exclusively on hares, and hare numbers are limited chiefly by lynx predation rather than by their food supply.
Over the surveyed period, how do the timing of the hare peak and the lynx peak compare?
0 of 6 answered
  • A live pace bar races you against the real timing: 97 seconds per Section I question, 2 minutes per Section III question
  • Worked reasoning on every question — how to think it through, not just the answer key

Free · no sign-up to start · written in-house in the ACER style — not official ACER material · Next sitting expected early March 2027 — ACER dates pending confirmation

A worked example

This is what every question teaches you

A screening test flags 9 of the 10 carriers in a group of 200 people, and also flags 19 of the 190 non-carriers.

If a person is flagged, the probability they are a carrier is closest to…

A  90% — reads the test’s hit rate as the answer; that is the reverse question (the chance a carrier is flagged).
B  about 1 in 3 — 28 people are flagged in total (9 + 19); 9 of those 28 are carriers, and 9/28 ≈ 32%.
C  10% — the false-positive rate of the test, not the question asked.
D  5% — the carrier rate of the whole group; ignores the test result entirely.

No science recall required — every number you need is in the stimulus. That is the modern exam’s style, and the style of all six questions above. (Example written in-house for demonstration.)

The official materials, honestly

Do ACER’s practice tests first

ACER’s own booklets are the only questions written by the people who write the exam. They are paid, and they are finite — most serious sitters finish every official question with weeks of preparation still to go.

When you run out, this page is the free next step: fresh exam-style questions every day, each with the reasoning worked through.

Aptavia is independent of ACER. Our questions are written in-house in the ACER style — they are not official ACER material.

One exam · two sittings

Sections I & III are their own day

FIRST · REMOTE
Section II — written

Two essays, sat online from home, on its own day. Practise it with a free marked essay.

~3 weeks
THEN · IN PERSON
Sections I & III — one day

62 questions in 100 minutes, a break, then 75 questions in 150 minutes. This practice test trains that day.

Go deeper · Section I

Section I practice — reasoning in humanities

What the 62 questions actually test, the 97-second pace, and how to drill poems, prose and arguments.

Go deeper · Section III

Section III practice questions — reasoning in sciences

Why the modern S3 is reasoning, not recall — and how to train the 2-minute pace that decides it.

Fair questions

Is this official ACER practice material?

No. Every question here is written in-house in the style of the modern exam — reasoning from an unfamiliar stimulus, not recall. ACER's own practice booklets are the only official questions, and we recommend doing those too; this test is the free next step when you want more.

How is the practice test scored?

Six questions give an indicative band, not a scaled GAMSAT score — enough to show your Section I / Section III split and your weakest reasoning skill. Your free account includes a diagnostic sitting, and taking it starts your 24-hour Pro trial — that is the proper placement.

Do I need an account to start the practice test?

No — the test starts the moment you tap an answer, and the worked reasoning after each question is free. At the end you open your band, your Section I / Section III split and the reasoning strand that cost you the most marks in one of two ways: continue with Google, which takes one tap and no typing, or enter your email and we send a 6-digit code that proves the inbox is yours. Either way it creates your free account — no password, no card.

Will I get the same questions if I come back?

The six rotate daily from a larger hand-checked pool — come back tomorrow and you'll be dealt a different set that shares no stimulus with today's. Over a couple of weeks the rotation works through the whole current pool.

How many questions are in the real GAMSAT Sections I and III?

Section I has 62 questions in 100 minutes (about 97 seconds per question) and Section III has 75 questions in 150 minutes (2 minutes per question). Both are sat together, in person, on one day — about three weeks after the remote Section II writing day.

More on the exam itself in the free GAMSAT guide — and Section II is covered by the free essay marking tool.

Free · no card · 6 questions

Find out where you stand before the real day does it for you

Six questions, exam pace, worked reasoning, your score. The in-person sitting rewards people who already know their weak spot.

Start the test

Want the full paper instead? Sit a full, timed Section III mock.