Neco Model Questions Vol1 2025 Mathematics Question 31
Practice objective / multiple choice question 31 from the 2025 Neco Model Questions Vol1 Mathematics examination.
A solid consists of a right circular cylinder of radius \(r\) cm and height \(h\) cm, surmounted by a right circular cone of the same radius \(r\) and height \(\frac{h}{2}\) cm. The height of the cylinder is three times its radius (\(h = 3r\)). If the total external surface area of the solid, excluding the base of the cylinder, is \(600\ \text{cm}^2\), find the total volume of the solid, correct to the nearest cubic centimetre.
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This is Neco Model Questions Vol1 2025 Mathematics Question 31. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Mathematics examination.
Difficulty level: Hard .
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