Question

A closed iron tank 12m long, 9m wide and 4m deep is to be made. Determine the cost of iron sheet used at the rate ₹5 per metre, the sheet being 2m wide

Answer 1

Answer:

Area of the sheet required to make the tank=

2(12×9+9×4+4×12)=2×192=384

Length of the sheet =384/2= 192 metres (since sheet is 2 metres wide)

Cost = 5×192=960 Rs Ans