What's the minimum distance from which an approved driving instructor (ADI) must be able to read a current-style (since 2001) number plate? What's the minimum distance from which an approved driving instructor (ADI) must be able to read a current-style (since 2001) number plate?

• Possible answers:

   
• A. 20.5 metres (67 feet)
• B. 26.5 metres (87 feet)
• C. 30.5 metres (100 feet)
• D. 36.0 metres (120 feet)