All Maths department papers since 1992 are online here. If you are stuck on a past exam question, email me and I may supply a solution, or at least give an account of how to do it.
2009: Sample annual paper: pdf and source, Outline solutions to four of the questions: pdf and source
2009: Sample schol paper: pdf and source, outline solution pdf and source
2009/10: Schol papers: first paper pdf and source, second paper pdf and source Solutions to the first schol paper: pdf, short pdf and source. Solutions to the second schol paper: pdf and source