The dimensions of an oil tin are 26 cm × 26 cm × 45 cm. Find the area of the tin sheet required for making 20 such tins. If 1 square metre of the tin sheet costs Rs 10, find the cost of tin sheet used for these 20 tins.
Question 95
A cuboidal tin box opened at the top has dimensions 20 cm×16 cm×14 cm. What is the total area of metal sheet required to make 10 such boxes?