Water flows out through a circular pipe, whose internal diameter is 2 cm, at the rate of 0.7 m per second into a cylindrical tank, the radius of whose base is 40 cm. By how much will the level of water rise in half an hour ?

Water flows out through a circular pipe whose internal diameter is 2 cm, at the rate of 6 metres per second into a cylindrical tank. The water is collected in a cylindrical vessel, radius of whose base is 60 cm. find the rise in the level of water in 30 minutes?

Water is flowing at the rate of 3km/h through a circular pipe of 20 cm internal diameter into a circular pipe of into a circular cisten of diameter 10m and depth 2 m. in how much time, will the cistern be filled?

A sphere of diameter 6cm is dropped in a right circular cylindrical vessel partly filled with water.The diameter of cylindrical vessel is 12cm.If the sphere is completely submerged in water,by how much will the level of water rise in the cylindrical vessel.

From a top of inner radius 0.75 cm, water flows at the rate of 7 m per second. Find the volume in litres of water delivered by the pipe in one hours.

A sphere of diameter 5 cm is dropped into a cylindrical vessel partly filled with water. The diameter of the base of the vessel is 10 cm. If the sphere is completely submerged, by how much will the level of water rise ?

It is required to make from a sheet of metal a closed cylindrical tank whose height is 1 m and whose base radius is 70 cm. How many square metres of sheet metal is required ?

A rectangular tank is 80 m long and 25 m braod water flows into it through a pipe whose cross section is 25 cm^2 , at the rate of 16 km per hour. How much the level of the water rises in the tank in 45 minutes.

A conical vessel whose internal radius is 5 cm and height of 24 cm is full of water. The water is emptied into a cylindrical vessel with internal radius 10 cm. Find the height to which the liquid rises.

The rain which fall on a roof 18 m long and 16.5 m wide is allowed to be stored into a cylindrical tank 8 cm diameter. If it rains 10 cm on a day, what is the rise of water level in the tank due to it ?