Question

water tank is 30 M long 20 m wide and 12 m deep it is made of iron sheet which is 3 metre wide in the tank is open at the top if the cost of the iron sheet is rupees 10. Then the total cost of the iron sheet required to build the tank is

Answer 1

volume of a tank=30*20*12=7800m²
1metre=10
7800metre²=7800*10=78000

Answer 2

Answer: Rs 6000 are needed