Neco Model Questions Vol1 2023 Mathematics Question 43
Practice objective / multiple choice question 43 from the 2023 Neco Model Questions Vol1 Mathematics examination.
An open‑top rectangular tank is to hold exactly \(10\,000\) cubic metres of water. Its length is twice its width and its height is unknown. The base of the tank costs twice as much per square metre as the material for the sides. Determine the dimensions that minimise the total cost and give the minimum cost in terms of the unit side‑material cost \(c\) (cost per square metre).
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About This Question
This is Neco Model Questions Vol1 2023 Mathematics Question 43. It is one of the objective questions from the 2023 Neco Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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