GCSE · Direct & inverse proportion

Inverse proportionExam-style questions

Why "inversely proportional" means the product stays fixed, how worker-time problems really work, and how to tell inverse proportion apart from direct.

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15 questions · GCSE (Higher) level · mark scheme and worked solution on each · no sign-up to try

DifficultyAllLevel 1Level 3Level 4Level 5
  1. 1
    It takes 22 people 66 hours to paint a fence. How long would it take 33 people, working at the same rate?
    Level 1 · 2 marksTry it
  2. 2
    44 taps fill a tank in 3030 minutes. How long would 66 taps take?
    Level 1 · 2 marksTry it