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.

Question

Philoid · Accepted Answer

Given,

Length of tank = 12 m

Width of tank = 9m

Depth of tank = 4m

So,

Area of sheet required = total surface area of tank

=

Let

=

Then,

Cost of iron sheet at rate Rs.5 per metre = 5×192 = Rs. 960