30 circular plates, each of rdius 14 cm and thickness 3 cm are placed in one above the another to form a cylindrical solid. Find
the total surface area.

30 circular plates, each of rdius 14 cm and thickness 3 cm are placed in one above the another to form a cylindrical solid. Find volume of the cylinder so formed.

50 circular plates each of radius 7 cm and 1 thickness 1/2 cm are placed one above another to form a solid right circular cylinder. Find the total surface area and volume of the cylinder so formed.

The radius of a solid hemispherical toy is 3.5 cm. Find its total surface area.

Three Cubes each of side 7 cm are joined together side by side to form a cuboid. Find the total surface area of cuboid.

The volume of a cube is 512cm^3 . Its total surface area is

A toy isin the form of a cone of radius 3.5 cm mounted on a hemisphere of same radius. The total height of the toy is 15.5 cm. Find the total surface area of the toy.

From a solid cylinder whose height is 2.4 cm and diameter 1.4cm,aconical cavity of the same height and same diameter is hollowed out. Find the total surface area of the remaining solid to the nearest cm^2 .

A right circular cylindr has base radius 8 cm and height 35 cm .Find the curved surface area of the cylinder.

A toy is in the shape of a right circular cylinder with a hemisphere on one end and a cone on other. The radius and height of the cylindrical part are5cm and13cm respectively. The radii of hemisphere and conical parts are the same as that of the cylindrical part. Find the surface area of the toy if the total height of the conical part is12cm.