4MA1/2FR Jun 2025, Question 15: Basic Probability
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2FR (Foundation) · Calculator · 3 marks
اقرأ هذا الحل مشروحاً بالعربي ←
The question, in short
A bag holds 7 red and 5 blue counters plus some green ones; the chance of drawing green is 2/5. Find how many green counters there are.
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 3 marks
- 1P(not green) = 1 − 2/5 = 3/5
- 2Red and blue: 7 + 5 = 12 counters, which is 3/5 of the bag
- 31/5 of the bag = 12 ÷ 3 = 4 counters
- 4Total counters = 4 × 5 = 20
- 5Green = 20 − 12 = 8
Answer8
Stuck on a step? Read the free lesson: Basic Probability
Practise more basic probability questions
Real 4MA1 past-paper questions, marked on your working like the exam, with a worked solution for every part.
Practise free on LemmaraMore past-paper questions on basic probability
Also searched as: 4MA1 2FR June 2025 · 4MA1/2FR · 4ma1 jun25 2fr · question 15.
Lemmara is an independent study tool, not affiliated with or endorsed by Pearson Edexcel. The worked solutions are Lemmara’s own.