Question

A cylindrical container of 32cm height and 18 cm radius is filled with sand. now all this sand is used to form a conical heap of sand. if the height f the conical heap is 24 cm what is the radius of its base

Answer 1

$\pi {18}^{2} \times 32 = 32585.14$
$1 \div 3 \times \pi {x}^{2} \times 24 = 32585.14$
so x = approximately 30