Self help group wants to manufacture joker's caps (conical caps) of 6 cm radius and 8 cm height. If the available colour paper sheet is `1000 cm^2` then how many caps can be manufactured from that paper.

A self help group wants to manufacture joker's caps (conical caps) of 3 cm radius and 4 cm height. If the available colour paper sheet is 1000 cm^(2) , then how many caps can be manufactured from that paper sheet ?

A company wants to manufacture 500 hemispherical basins from a thin steel sheet. If the radius of basin is 14 cm., find the area of steel sheet to manufacture the above hemispherical basins.

A company wanted to manufacture 1000 hemispherical basins from a thin steel sheet. If the radius of each basin is 21 cm., find the required area of steel sheet required to manufacture the above hemispherical basins ?

A Joker's cap is in the form of a right circular cone of base radius 7cm and height 27 cm. Find the area of the sheet required to make 10 such caps.

A joker's cap is in the form of right circular cone whose base radius is 7 cm and height is 24 cm. Find the area of the sheet required to make 10 such caps.

A solid is in the form of a right circular cylinder with a hemisphere at one end and a cone at the other end. The radius of the common base is 8 cm and the heights of the cylinderical and conical portions are 10 cm and 6 cm respectively. Find the total surface area of the solid. " " [Use pi=3.14 ]

A Joker's cap is in the form of right circular cone, which base radius is 7 cm and height is 24 cm. Find the area of sheet required to make 10 such caps.

A soft dringk manufacturer wants to fabrucate cylindrical cans for its products .The can is to have a volume of 34375 cu cm If r is the radius for the can to require least amount of material then 8pir^(2) is equal to

A one side open cylinderical drum has inner radius 28 cm, and height 2.1 m .How much water you can store in the drum . Express in litres .( 1 litre= 1000cc. )