In a desk drawer there are
10 black pens 4 red pens 3 blue pens
Jasmine takes one of the pens at random.
Write down the probability that Jasmine takes a black pen.
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.
