Lead spheres of diameter 6 cm are dropped into a cylindrical beaker containing some water and are fully submerged. If the diameter of the beaker is 18 cm and water rises by 40 cm, find the number of lead spheres dropped in the water.

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

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 ?

Find the surface area of a sphere of diameter 14 cm?

Find the surface area of a sphere of diameter: 28cm

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.

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?

A spherical ball of lead 3 cm in diameter is melted and re casted into three spherical balls. If the diameter of two balls be 3/2 cm and 2 cm, find the diameter of the third ball.

A cylindrical tub of radius 12 cm contains water to a depth of 20 cm. A spherical ball is dropped into the tub and the level of the water is raised by 6.75 cm. Find the radius of the ball.

The surface area of a sphere is 5544cm^2 find diameter.

A cone of radius 4 cm is filled with water. If the water is poured in a cylinder of radius 8 cm, the height of the water rises 2 cm, find the heiht of the cone.