2015 (source code)

= 2015
{scope}
{title2=A1}
{title2=A13753W1}

Source release: https://www.whatdotheyknow.com/request/maths_papers_2/response/1850333/attach/3/FOI%2020210708%201%20Data.zip?cookie_passthrough=1[Oxford examination archive], member `FOI-20210708-1 - Data/a13753w1.pdf`. The cover dates this examination to 17 June 2015, 9.30am–12.30pm.

All six questions and their 38 leaf subparts are answered below. The unnumbered criterion at the start of 2(a) has its own solution before the four field cases.