Neco 2019 Mathematics Question 6
Practice objective / multiple choice question 6 from the 2019 Neco Mathematics examination.
A solid consists of a right circular cylinder of radius \( r \) cm and height \( h \) cm, surmounted by a right circular cone having the same base radius \( r \) and height \( \frac{h}{2} \). The total surface area of the solid, excluding the base of the cylinder, is \( 500 \) cm\(^2\) and its total volume is \( 1000 \) cm\(^3\). Find the radius \( r \) of the solid (to one decimal place).
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About This Question
This is Neco 2019 Mathematics Question 6. It is one of the objective questions from the 2019 Neco Mathematics examination.
Difficulty level: Hard .
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