May/June 2018 · 9990
A Threshold
83.3%
50 / 60 marks
Hardness
1/100
50 = a typical sitting of this paper
An A needed 83.3% of the marks, 15.4 points above the 67.9% average for this exact paper across 15 sittings. Score 1/100.
The dashed line is this paper’s average A threshold. Sittings well below it are the hard ones — how this is scored.