You're driving a six-wheeled double-deck bus. What do you need to know about punctures on the rear tyres? You're driving a six-wheeled double-deck bus. What do you need to know about punctures on the rear tyres?

• Possible answers:

   
• A. They're much easier to detect
• B. They're more likely to happen
• C. They're more difficult to detect
• D. They're less likely to happen