PQR PQR\,PQR is a straight road.
The length of QR QR\,QR is four times the length of PQPQPQ.
PR=150PR = 150PR=150 metres.
Work out the length of QRQRQR.
Practise OCR GCSE Maths Ratio with exam-style questions for Foundation and Higher tier. 93 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.