Question

water is being pumped out through a circular pipe whose internal diameter is7cm. if the flow of water is 72cm per second how many liters of water are being pumped out in one hour



2. A metallic bucket is in the shape of frustum of a cone mounted on a hollow cylindrical base given in the figure. the diameter of two circular ends of bucket are 45cm and 25cm total vertical height is 30cm and the height of cylindrical portion is 6cm find the volume of water it can hold .

Answer 1

Refer the attachments.