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
Adam has 150 stickers.
13 of the stickers are sold in the morning.
34 of the remaining stickers are sold in the afternoon.
How many more stickers are sold in the afternoon than what are left?
4 m
Level 3 PSLE
Anne had a bottle of milk. She drank 450 mℓ of milk in the morning and 15 of remaining milk in the afternoon. After that, there was 12 a bottle of milk left. How much of the milk did she drink in the afternoon?
2 m
Level 3
Adam has some stickers.
35 of the stickers are sold in the morning.
34 of the remainder are sold in the afternoon.
There are more 30 more stickers sold in the morning than in the afternoon.
  1. How many stickers does he have at first?
  2. How many stickers does he have in the end?
4 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