There are 60 pens in a box. 17 of the pens are black. The rest of the pens are blue. One pen is picked at random.
Find the probability that the pen is blue.
Practise OCR GCSE Maths Probability with exam-style questions for Foundation and Higher tier. 212 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
