The dimension of an oil tin are $26\;m \times 26\;cm \times 45\;cm$ Find the area of the tin sheet required for making 20 such tins . If 1 square meter sheet costs $Rs. 10$.find the total cost.

Question

$\begin{array}{1 1} Rs.120.64 \\Rs.129 \\ Rs. 130.64 \\ Rs. 135.64 \end{array} $