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Probability

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Question 22

There are 40 pens in a box. 15 of the pens are black. 9 of the pens are green. The rest of the pens are red. One of the pens is chosen at random.

Find the probability that the pen is red.

[2]
Markscheme

Probability Questions

  1. GCSE
  2. /Maths
  3. /Probability

236 exam-style questions on OCR GCSE Maths Probability. Each one has a worked solution and a mark scheme showing where the marks go.

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