[" 1.The dome of a building is in the form of a hemisphere.Its radius is "63dm" ."],[" Find the cost of painting it at the rate of Rs "2" per "m^(2)" ."]

The dome of a building is in the form of a hemisphere. Its radius is 63dm. Find the cost of painting it at the rate of Rs. 2 per sq.m.

The dome of a building is in the form of a hemisphere.Its radius is 63dm. Find the cost of painting it at the rate of Rs.2 per sq.m.

The dome of a building is in the form of a hemisphere. Its radius is 63m. Find the cost of painting it at the rate of Rs. 2 per sq.m.

The dome of a building is in the form of a hemisphere. Its radius is 63 dm. Find the cost of tin-plating it on the inside at the rate of Rs. 2 per 100cm^2 .

A inner curved surface area of a hemispherical dome of a building needs to be painted. If the circumference of the base is 17.6m, find the cost of painting it at the rate of Rs 5 per sq.m.

The diameter of a hollow hemispherical lid is 7 m. Find the cost of painting outer surfaces of 10 such lids at the rate of Rs. 20 per m^(2) .

A solid is composed of a cylinder with hemispherical ends. If the whole length of the solid is 104 cm and the radius of each hemispherical end is 7 cm, find the cost of polishing its surface at the rate of Rs 2 per dm^(2) (take pi = 22/7)

A wooden toy is in the form of a cone surmounted on a hemisphere.The diameter of the base of the cone is 5cm and its height is 4cm. Find the cost of painting the toy at the rate of Rs.5 per 1000cm^(2) .

A wooden toy is in the form of a cone surmounted by a hemisphere. The diameter of the base of the cone is 6 cm. and its height is 4 cm. Find the cost of painting the toy at the rate of Rs. 50 per 1000cm^2 .