Question-3: As advertisement revenue,billboards on vehicles can be used frequently.However, this fuel increases the cost. A blockof 0.3m high, 0.9m wide and 0.9m long wasplaced on a taxi. Find the annual increase infuel cost due to this billboard. Assume thatthe vehicle travels 60000 km per year, anaverage speed of 50 km / h and a totalengine efficiency of 28%. Take the density,unit price and calorific value of gasoline as0.75kg / L 5.5TL / L and 42000kJ / kg,respectively, and the density of the air as 1.25kg / m3.

given, block height h=0.3m width w=0.9m length l=0.9mdistance travel by vehicle…

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