Neco Model Questions Vol1 2025 Geography Question 17
Practice objective / multiple choice question 17 from the 2025 Neco Model Questions Vol1 Geography examination.
A bus must travel a 240 km route. The first 120 km are through an urban area where the speed is limited to 60 km h\(^{-1}\) and fuel consumption is 0.07 L km\(^{-1}\). For the remaining 120 km the driver may choose a constant speed \(v\) (km h\(^{-1}\)) with \(80 \le v \le 120\). Fuel consumption on this section is \(f(v)=0.05+0.0002\,(v-80)^{2}\) L km\(^{-1}\). Fuel costs ₦200 per litre and the driver is paid a wage of ₦500 per hour. Determine the speed \(v\) that minimises the total trip cost (fuel + wage) and give that minimum cost in naira.
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About This Question
This is Neco Model Questions Vol1 2025 Geography Question 17. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Geography examination.
Difficulty level: Hard .
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