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 2
Mrs Tan had 9 m of cloth. She used 240 cm of it to sew a dress and 395 cm to sew a shirt. What was the length of cloth she had left? Give your answer in cm.
2 m
Level 2
A silver egg has a mass of 10 kg 25 g. A golden egg is 2 kg 375 g lighter than the silver egg. What is the mass of the golden egg? (Give the answer in kilograms and grams.)
2 m
Level 2
The capacity of a fish tank is 4 ℓ. There are 1 ℓ 750 mℓ of water in the tank. How much more water is needed to fill the tank completely? (Give the answer in litres and millilitres.)
2 m