Question: A sprayer having 0.4 litre per minute nozzle discharge rate and 50 cm width of coverage, is required to apply 0.8 kg of active ingredient per hectare. If one kg of active ingredient is contained in 120 litres of spray solution, determine the speed of the sprayer.
Options
A : 4 km/h
B : 3 km/h
C : 5 km/h
D : 6 km/h
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