Neco 2017 Mathematics Question 2
Practice objective / multiple choice question 2 from the 2017 Neco Mathematics examination.
A cylindrical water tank is to be painted only on its curved surface. The tank must hold at least \(5\) m\(^3\) of water. The radius \(r\) and height \(h\) of the tank are required to be whole numbers of metres. Paint costs \(2500\) Naira per square metre. Determine the minimum possible cost of painting the curved surface of the tank.
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About This Question
This is Neco 2017 Mathematics Question 2. It is one of the objective questions from the 2017 Neco Mathematics examination.
Difficulty level: Hard .
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