Question

a water tank is 12 m long 8m wide and 4m deep and it is open ,the top is to be made of iron sheet Find the cost of the iron sheet at the rate of ₹5 per metre ,if its width is 8 m​

Answer 1

water tank volume = length x breadth x height

so; 12m x 8 m. x 4m

= 384 m³

cost of iron sheet of per metre =rs 5

cost of iron sheet of 384 m = 384 x rs 5

= rs 1920

Hope this will help you