You can put this solution on YOUR website! Facts about tank is missing, please specify shape of tank.
If it is cylindrical, specify height.
if it is spheric then volume = 4/3 * pi * (radius)^3
= 4/3 * pi * 30 *30 * 30
= 3600 pi meter cube
Sometime there may be typing mistake to solve a problem, so please ignore it.
Please understand the concept and try the problem yourself.