BrainBashers Puzzles

Puzzle IconDuring a recent trip to Scotland, I filled my petrol tank to the top, a total of 10 gallons.

I travelled at 60 mph up the motorway and I knew that I could average 40 miles per gallon.

However, the moment I started, my petrol tank developed a leak and four hours later I ground to a halt having run out of petrol.

How much petrol had I lost through the leak?

[Ref: ZNFV] Copyright © Kevin Stone

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