GCSE Maths Mock Test 21
Mock test 21 — 24 questions.
About this mock
Difficulty: IntermediateGCSE Maths Mock 21 uses probability as the main route into assessment-style questions. On probability, candidates separate sample space, mutually exclusive events and expected outcomes rather than merging the clues. A lower score points to frequency before another mixed mock. In GCSE Maths Mock 21, review probability as the main point to check.
Topics included
- Probability
- Sample space
- Mutually exclusive events
- Expected outcomes
- Frequency
Common mistakes in this mock
- Misreading the question about probability basics
- Choosing an answer before checking all details
- Confusing probability with sample space
- Missing wording that changes the answer
Who this mock is for
Candidates who want a short check on probability in GCSE Maths revision.
How to practise
How to use Practice mode
Practice mode shows the correct answer and an explanation after every question, with no timer. Use it the first time you sit a topic, when you want to learn as you go, or when you're targeting a specific weak area.
How to use Exam mode
Exam mode gives timed practice for revision. Official timings vary by exam provider and skill, so always check the official test format before booking.
Frequently asked questions
- Are these official questions?
- No. UK Test Hub is independent and not affiliated with any awarding body or exam provider. Our questions are practice-style and designed to reflect the format and difficulty of the real assessment.
- Is this mock free?
- Yes — every mock on UK Test Hub is completely free, with no signup required to start.
- How many questions are there?
- Most of our mocks contain 24 questions, sat against a typical test-day time limit. The exact count and pass mark are shown in the chips above the Practice/Exam buttons.
- Can I retake it?
- Yes, as many times as you like. Each retake reshuffles the question order so you don't simply memorise positions.