Chapter 18: Surface Areas and Volume of a Cuboid and Cube Ex.18.10 | Q: 11 | Page no. 14
Solution A Closed Iron Tank 12 M Long, 9 M Wide and 4 M Deep is to Be Made. Determine the Cost of Iron Sheet Used at the Rate of Rs. 5 per Metre Sheet, Sheet Being 2 M Wide. Concept: Surface Area of a Cuboid and a Cube.