Level 2
The tank measuring 42 cm by 20 cm by 12 cm was 15 filled with water. After some water was added into the tank, the tank became 34 full. How much water was added to the tank?
3 m
Level 2
38 of a container is filled with cooking oil. After 2.1 ℓ of oil is poured into the container, it becomes 23 full. How much more cooking oil would be needed to completely fill the container? Give your answer in litres.
3 m
Level 3
A cubical tank of edge 30 cm contained some water to a height of 12 cm.
  1. Find the volume of water in the tank at first.
  2. A tap was then turned on for 20 minutes to fill the tank with water at a rate of 0.6 ℓ per minute. How much more water was needed to fill the tank to the brim when the tap was turned off? Leave your answer in litres.
4 m
Level 3
Container A measures 28 cm by 20 cm by 14 cm was 34 filled with water. When the water was poured into Container B, it was 14 full. Find the base area of Container B if its height was 20 cm.
3 m
Level
A rectangular tank 40 cm long, 20 cm wide and 36 cm high was 56 filled with water.
  1. What was the volume of the water in the tank in litres?
  2. A tap was used to drain the water from the tank at a rate of 4 ℓ per minute. The tap was turned off when the tank was 13 filled with water. How long did it take to drain the water?
4 m