Level 3
A rectangular tank measuring 25 cm by 12 cm by 10 cm is 25 filled with water. All the water is then poured into a cubical tank with a side measuring 14 cm. How much more water is needed to fill the cubical tank completely? Give your answer in litres.
4 m
Level 3
A rectangular container 40 cm long, 30 cm wide and 25 cm high is 45 filled with water. When some of the water is poured into an empty rectangular glass tank until it is completely full, 4 ℓ of water is left in the container.
  1. How many litres of water was there in the container at first?
  2. What is the height of the glass tank if it is 50 cm long and 25 cm wide?
4 m
Level 3
Xinyi had some 20-cent and 50-cent coins which added up to $20.30. She had 14 more 20-cent coins than 50-cent coins. How many 20-cent coins did she have?
4 m
Level 3
During a candy sale, Sally paid $2 less for every 15 candies she bought. Each candy cost 60 cents. Sally paid a total of $38 for some candies. How many candies did she buy?
4 m
Level 3
Justin and Wesley each had the same volume of water. The water was used to pour into identical bottles. Justin filled up 16 bottles and had 4.8 ℓ of water left. Wesley filled up 8 bottles and had 6.4 ℓ of water left.
  1. What was the capacity of each bottle? Give your answer in millilitres.
  2. What was the total volume of water Justin and Wesley had at first? Give your answer in litres.
4 m