Level 2
A rectangular container measuring 20 cm by 40 cm by 15 cm is 25 filled with water. Tom wants to fill up the container completely with some bottles of water. How many bottles of water are needed if the capacity of each bottle is 900 mℓ?
2 m
Level 2
The tank, measuring 21 cm by 20 cm by 40 cm, is 34 filled with water at first. All the water is poured into empty identical bottles to the brim. Each bottle has a capacity of 700 mℓ.
  1. How much water was there in the tank at first? Give your answer in millilitres.
  2. How many such bottles are completely filled with water?
2 m
Level 3
In the figure, a fish tank measuring 52 cm by 25 cm by 48 cm contained 2720 mℓ of water. Serene then turned on a tap that flows at a rate of 4.32 ℓ per minute. How long does it take for the tank to be 23 filled with water? Express your answer in min.
3 m
Level 3
A rectangular tank measuring 50 cm by 25 cm by 19 cm was 12 filled with water. There was a leak at the bottom of the tank and water seeped out at the rate of 5 m? per second. How many minutes would it take to empty the tank completely? Leave your answer correct to 1 decimal place.
3 m
Level 3
An empty tank measures 50 cm by 20 cm by 35 cm. Water flows into the tank from Tap A at a rate of 25 ℓ per minute. At the same time, water drains from the tank from Tap B at a rate of 18 ℓ per minute. How long would it take to completely fill the tank?
3 m