Level 2
Wendy's father's weight to her weight is 8 : 3. If Wendy puts on 60% more weight, by what percentage must her father's weight be reduced by so that their total weight remains unchanged as before? Correct the answer(s) to 1 decimal place.
Level 2
The actual lengths of Rope A and Rope B are in 2 decimal places. When rounded to the nearest metre, their lengths are each 10 m long. What is the greatest possible difference between the lengths of Rope A and Rope B?
Level 3
A tank is 29 filled with water. Rachel poured in 8.3 litres of water and the tank is now 56 full. How much water can the tank hold if it is filled to the brim? Give your answer correct to 1 decimal place.
Level 2
A rectangle is placed in a circle with O as the centre. Use the calculator value of π to find the shaded part of the circle. Correct the answer to 1 decimal place.
Level 2
A rectangle is placed in a circle with O as the centre. Use the calculator value of π to find the shaded part of the circle. Correct the answer to 1 decimal place.
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 2 PSLE The figure is formed by joining two quarter circles of radius 3 cm. Find the perimeter of the figure. Round your answer to the nearest whole number. Take π = 3.14
Level 2 PSLE The figure is formed by joining two quarter circles of radius 3 cm. Find the perimeter of the figure. Round your answer to the nearest whole number. Take π = 3.14
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.