Question

An open box of length 2 m, breadth 1.5m and height 1 m id to be made for use on a trolley for carrying garden waste. How much metal sheet will be required to make this box? The inside and outside surfaces of the box are to be painted with rust proof paint. What will be the cost to paint the box at the rate of Rs. 100 per square meter.​

Answer 1

Answer:

Hence, 6.5 m2 of the sheet will be needed to make the open box. Now, it is given that the inside and the outside surface of the open box is to be painted with rust-proof paint. Hence, it will cost 1950 rupees to paint the open box from inside and outside with rust-proof paint.