The cost of painting the total outside surface of a closed cylindrical oil tank at $50\;paise$ per sqdm is $Rs. 275$. The height of the tank is $5$ times the radius of the base of the tank. Find its volume .

Question

$\begin{array}{1 1} 470.21\;dm^3 \\270\;m^3 \\57.21\;dm^3 \\ 0 \end{array} $