On a farm, the ratio of the number of sheep to cows to pigs is 11:4:511:4:511:4:5.
What fraction of the animals are cows?
Practise OCR GCSE Maths Writing a Ratio as a Fraction or Linear Function with exam-style questions for Foundation and Higher tier. 60 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.