Level 2
The actual masses of two wooden crates, Y and Z, are measured in hundredths. The mass of Crate Y is rounded off to 13.6 kg and the mass of Crate Z is rounded off to 16.8 kg. What is the greatest possible difference in the actual masses of these two crates? Give the answer in kg.
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.
Level 2
During a sale, Kimberly bought a skirt and a coat at a discount. She paid a total of $141.10 on these two items. She paid $20.50 more on the skirt than on the coat.
How much did she pay for the skirt?
Kimberly received a total discount of $33.20 for the skirt and the coat. What is the percentage discount given by the shop? Give your answer correct to 1 decimal place.
Level 3
The bar graph shows the number of ice-cream flavours sold at a shop in a day.
What percentage of the ice-creams sold was durian ice-creams? Give your answer correct to 1 decimal place.
The cost of each ice-cream was the same. The amount of money collected for vanilla ice-creams was $15 more than the amount of money collected for strawberry ice-creams. What was the total amount of money collected from the sale of all the ice-creams?
Level 3
The bar graph shows the number of ice-cream flavours sold at a shop in a day.
What percentage of the ice-creams sold was durian ice-creams? Give your answer correct to 1 decimal place.
The cost of each ice-cream was the same. The amount of money collected for vanilla ice-creams was $15 more than the amount of money collected for strawberry ice-creams. What was the total amount of money collected from the sale of all the ice-creams?
Level 3
A cylindrical dispenser of capacity 5.7 ℓ was filled with apple juice to its brim. The milk in the dispenser was then dispensed into a cubical container of sides 18 cm, through a tap flowing at a rate of 200 mℓ/min. After 15 min, the tap was turned off and the container was 23 full.
What percentage of the milk in the cylindrical dispenser was left? Round off your answer to the nearest 2 decimal places.
How many litres of milk were there in the container at first? (1 ℓ = 1000 cm3)
