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Edexcel · GCSE · Mathematics

Probability
Practice Questions

140 Edexcel GCSE Mathematics questions on Probability, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Probability.

Try 2 sample questions on Probability

Question 1 · 1 mark · Difficulty 1/3

A bag has 4 red and 6 blue balls. What is P(red)?

  1. 1/10
  2. 4/6
  3. 2/5
  4. 6/10
Show answer & explanation
✓ Answer: C — 2/5
Award 1 mark. 4 of the 10 balls are red, so P(red) = 4/10 = 2/5. 4/6 compares red with blue rather than with the total, 6/10 is P(blue), and 1/10 is the chance of one particular ball.
Question 2 · 1 mark · Difficulty 1/3

What is a sample space diagram?

  1. A rocket diagram
  2. A table or list showing all possible outcomes of two events
  3. A pie chart
  4. A Venn diagram
Show answer & explanation
✓ Answer: B — A table or list showing all possible outcomes of two events
A sample space shows every possible combination of outcomes. For two dice, the sample space has 36 entries (6 × 6).
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20 questions · 25 min · free

Edexcel GCSE Mathematics: Probability FAQ

Is Kramizo free for Edexcel GCSE students preparing for Mathematics?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Probability practice with other Mathematics topics or even switch to a totally different Edexcel subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Probability questions aligned to the official Edexcel GCSE Mathematics syllabus?
Every question is written against the published Edexcel GCSE Mathematics specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real Edexcel paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from Edexcel.
How is Probability typically tested on Edexcel GCSE Mathematics papers?
Probability appears across multiple question types on real Edexcel GCSE Mathematics papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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