What was the hardest question of your maths GCSE non calculator (if you can remember)?

Question: What was the hardest question of your maths GCSE non calculator (if you can remember)?
- Keywords:
  GCSE,
  test
Asked by zaracox to William, Sophie, Mackenzie, Gary, Christina, Amy on 10 Jan 2020.
- Christina Pagel answered on 10 Jan 2020:
  
  no idea – too long ago!! i never liked geometry much.

Question: What was the hardest question of your maths GCSE non calculator (if you can remember)?