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
Seth paid $24 for an equal number of shirts and vests. Each vest cost $4.50. Each shirt cost $3 more than each vest. How many shirts did she buy?
2 m
Level 2
Betty paid $9 for 3 macarons and 5 pies. A pie cost thrice as much as a macaron.
  1. Find the cost of a macaron in cents.
  2. How much more did she pay for a pie than a macaron?
2 m
Level 2 PSLE
Richard bought 2.5 kg of grapes. 100 g costs $0.90. How much did he pay for them?
2 m