If the volume of a hemisphere is increasing at a steady rate of 18π m\(^{3}\) s\(^{-1}\), at what rate is its radius changing when its is 6m?

Find the capacity in liters of a cylindrical well of radius 1 meter and depth 14 meters
[π = 22/7]

The height of a pyramid on square base is 15cm. if the volume is 80cm^3, find the area of the square base.

Find the volume (in cm\(^3\)) of the solid shown above

a cylindrical drum of diameter 56 cm contains 123.2 litres of oil when full. Find the height of the drum in centimeters