Question

calculate the amount of present in cubical tank of edges 5 m​

Answer 1

Answer:

Well, it can obviously hold  5×5×5  cubic metres of air - finding the volume of a cube is trivially easy, even for school homework.

But water is heavier than air, and we know nothing of the supports that hold the tank, the filling and overflow control arrangements, and the strength of the materials. No-one in their right mind fills a water tank to the brim. The rule of thumb for most tanks is to fill to 66% to 75% of height, and to regard the height above that as a spray wall.

Explanation: