Level 2
Water is pumped into a rectangular tank at a rate of 16.5 ℓ per minute. The tank measures 110 cm by 90 cm by 50 cm. How long does it take to fill the tank? Express your answer in min.
Level 2
The ratio of the length to the breadth to the height of a cuboid is 7 : 5 : 8. The height is 18 cm longer than the breadth. Find the volume of the cuboid.