Waec Model Questions Vol1 2022 Agricultural Science Question 7
Practice objective / multiple choice question 7 from the 2022 Waec Model Questions Vol1 Agricultural Science examination.
A farmer must plow 5 ha. Two options are available: (i) a manual plough that a person can till 0.2 ha per hour, (ii) a tractor‑mounted plough that tills 0.8 ha per hour and uses fuel costing ₦500 per hour. Four labourers are available, each can work up to 6 h per day, and the tractor can be used for at most 2 h per day. Labour costs ₦200 per labourer per hour. The farmer wants the field ready within 3 days and to minimise total cost (fuel + labour). Determine how many hours the tractor should be used and how many hours the manual labour should work, and give the minimum total cost (in naira).
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About This Question
This is Waec Model Questions Vol1 2022 Agricultural Science Question 7. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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