Question

There is 3 rd floor building and there is a Terrace and there is a tank of water and then the water will first come at the Third Level or 2 nd level or first level firstly ?​

Answer 1

first level firstly.......
because there is a chances water flow down, when water goes down it comes back and back water flow to 2nd and 3rd floors
hope it help you

Answer 2

I think first level .