Waec Model Questions Vol1 2022 Agricultural Science Question 40
Practice objective / multiple choice question 40 from the 2022 Waec Model Questions Vol1 Agricultural Science examination.
A farmer harvests 8 tonnes of fresh cassava roots that contain 30 % moisture by weight. To store them safely the moisture must be reduced to 12 %. The drying kiln removes moisture at a rate of 0.8 kg per hour per tonne of fresh cassava processed and costs ₦500 per hour to run. Dried cassava sells for ₦25 000 per tonne (dry weight). Determine the minimum number of whole hours the farmer must operate the kiln to reach the target moisture, the total drying cost, and the net profit from selling the dried cassava (assume no other costs). Give the answer as: hours, total cost (₦), net profit (₦).
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About This Question
This is Waec Model Questions Vol1 2022 Agricultural Science Question 40. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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