Practice question

For a driver aged 20 or over, which result is over the adult alcohol limit?

  1. 200 micrograms of alcohol per litre of breath
  2. 40 milligrams of alcohol per 100 millilitres of blood
  3. 260 micrograms of alcohol per litre of breath
  4. Zero alcohol at all times

Answer: C — 260 micrograms of alcohol per litre of breath

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