Mock Set 1 Paper 02 Calculator

\[ \begin{array}{l} \text{The diagram shows an empty tank in the shape of a cylinder.} \\ \text{The cylinder has radius }18\ \text{cm and height }50\ \text{cm.} \\ \text{Water flows into the tank at a rate of }0.60\ \text{litres per minute.} \\ \text{Calculate the number of minutes it will take to completely fill the tank.} \\ \text{Give your answer correct to the nearest minute.} \end{array} \]