A storage tank consists of a circular cylinder with a hemisphere adjoined on either end. If the external diameter of the cylinder be 1.4m and its length be 8m, find the cost of painting it on the outside at the rate of Rs. 10 per `m^2dot`

CYLINDER + HEMISPHER:A storage tank consists of a Circular Cylinder with a hemisphere adjoined on either end.If the external diameter of the cyliner be 1.4m and its length be 8m; Find the cost of painting it on the outside at the rate of Rs 10per m^(2)

The outer diameter of a pipe is 70 cm and it is 21 m long. Find the cost of painting the outer surface of the pipe at the rate of Rs 10 per square metre

A hemispherical bowl made of brass has inner diameter 10.5cm. Find the cost of tinplating it on the inside at the rate of Rs. 4 per 100\ c m^2

Find the volume of a cubical box if the cost of painting its outer surface is Rs 1440 at the rate of Rs 15 per sq.m.

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 toy is in the form of a cylinder with hemispherical ends. If the whole length of the toy is 90 cm and its diameter is 42 cm , find the cost of painting the toy at the rate of 70 paise per sq m .

The diameter and height of a cylindrical water tank are 2 m and 14 m respectively. Find the cost of painting its outer curved surface 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 readius of each of its hemispherical ends is 7 cm , find the cost of polishing its surface at the rate of ₹ 10 per dm^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 of the hemispherical ends is 7 cm, find the cost of polishing its surface at the rate of Rs 10\ p e r\ d m^2

The height of a conical tank is 60 cm and the diameter of its base is 64 cm. The cost of painting it from outside at the rate of Rs35 per sq m is