A tangocola company wants to produce a new cylindrical tin as healthy protein drink which contain 300 cubic cm of protein drink. The cost of material used to make the sides of the container is ₹5 per square cm. While the cost of material used to make top and bottom of container is ₹ 10 per sq. meter. He wants to minimise the cost of container.

Give the answers of question:
Being h be height and r be the radius, express the relationship between h and r :

Options

A. `h = 300/(pi r^2)`
B. `h = 100/(pi r)`
C. `h = 300/(pi r)`
D. `h = 300/(pi r^3)`

Answer

A