Level 2
An empty tank has dimension 80 cm by 60 cm by 40 cm. A tap was turned on to fill into the tank at the rate of 5 litres per minute. How long did it take for 12 of the tank to be filled with water? Give your answer in minutes.
Level 2
The length, breadth and height of a cuboid are in the ratio 8 : 5 : 2. If the length of the cuboid is 30 cm longer than its height, find its volume.
Level 2
The length of a cuboid is 200 cm. Its breadth is 14 that of its length and its height is 12 as long as its breadth. Find the volume of the cuboid in ℓ.
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.