A pyramid has a square base of side 4 cm and a height of 9 cm.  Then its volume is

The volume of a square pyramid of base edge 12 centimetres and slant height 17 centimetres is

A toy in the shape of a square pyramid has base edge 25 centimeters and slant height 8 centimeters. Then its lateral surface area is

The height of a cylinder tower is 14 cm and its curved surface area is 264 cm².  The radius of its base is

The curved surface of a sphere is 1386 cm².  Its volume is

A toy is in the form of a cone mounted on a hemisphere with the same radius.  The diameter of the base of the conical portion is 12 cm and its height  is 8 cm.  Then the surface area of the toy is _______. 

The surface area of a sphere whose radius is 2.1 metres. 

If the volume and surface area of a sphere are numerically the same, then its radius is

A cylindrical tower is 5 m in diameter and 14 m high.  The cost of white washing its curved surface at 50 paisa per m² is

A vessel is in the form of an inverted cone. Its height is 11 cm and the radius of its top which is open is 2 . 5 cm.  It is filled with water up to the rim.  When lead shots, each of which is a sphere of radius 0.25 cm are dropped in to the vessel, ²/₅ of the water flows out.  Find the number of lead shots dropped in to the vessel