Here are three number cards: 9, 5, kkk, where k k\,k is a non-zero digit different from 9 and 5.
Write down all the possible three-digit numbers that can be made using the cards, in terms of kkk.
125 exam-style questions on OCR GCSE Maths Systematic Listing. Each one has a worked solution and a mark scheme showing where the marks go.