27=8r^3
\therefore r=\frac{3}{2}
\textup{since}\; p=8r,\; p=8\times \frac{3}{2}
\therefore p=12
\textup{since}\; q=8r^{2}=12r, \; p=12\times \frac{3}{2}
\therefore q=18
Q.
When a valve is released, a chemical flows into a large tank that is initially empty. The volume, V litres, of chemical in...