From a solid cylinder whose height is 2.4 cm and diameter 1.4 cm conical 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)` .

From a solid cylinder whose height is 2.4 cm and diameter 1.4 cm, a conical 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) .

Find the total surface area of a cylinder with radius 21 cm and height 5 cm.

In the adjacent figure, the height of a solid cylinder is 10 cm and diameters is 7 cm . Two equal conical holes of radius 3 cm and height 4 cm are cut off as shown the figure. Find the volume of the remaining solid.

The diameter of a solid hemisphere is 7 cm. Find its total surface area.

Find the total surface area of a cone with diameter 7 cm and slant height 16.5 cm.

The total surface area of a hemisphere is 4158 cm^(2) . Find its diameter.

From the top of a solid cone of height 12 cm and base radius 6 cm, a cone of height 4 cm is removed by a plane parallel to the base. Find the total surface area of the frustum of a cone so formed. (Use sqrt(5)=2.236)

From a cuboidal solid metallic block of dimensions 15 cm xx 10 cm xx 5 cm a cylindrical hole of diameter 7 cm is drilled out. Find the surface area of the remaining block. (see the given figure).

From each corner of a square of 4 cm quadrant of a circle of radius 1 cm is cut and also a circle of diameter 2 cm is cut as shown in fig. Find the area of the remaining portion of the square.

A copper wire , 3 mm in diameter, is wound about a cylinde whose length is 12 cm, and diameter 10 cm. so as to cover the curved surface of the cylinder find the length and mass of the wire, assuming the density of copper to be 8.88g per cm^(3) (Use pi=3.14)