Question

An open box of length 1.5m, breadth 1m, and height 1m is to be made
for use on a trolly 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 rustproof paint. What will be the cost to
paint the box at the rate of Rs. 150 per square metre?​

Answer 1

Step-by-step explanation:

Solution. 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.