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 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 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 toy is in the form of right circular cone whose base radius 5 cm and height is 12 cm. Find the area of sheet required to make 10 such toys.

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 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 sports company was ordered to prepare 100 paper cylinders without caps for shuttle cocks. The required dimensions of the cylinder are 35 cm length / height and its radius is 7 cm. Find the required area of the thin paper sheet needed to make 100 cylinders.

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 wooden article was made by scooping out a hemisphere from each end of a solid cylinder, as shown in the figure. If the height of the cylinder is 10 cm and its base radius is 3.5 cm, find the total surface area of the article.