Level 1 PSLE
In a group of 70 children, 49 are girls. What is the ratio of the number of boys to the number of girls?
1 m
Level 1 PSLE
There are 45 biscuits in a box. 27 of them have raisins while the rest are plain. What is the ratio of the number of plain biscuits to that of raisin biscuits in the box?
1 m
Level 1 PSLE
The pie chart shows how Jenny spent her pocket money last month. What is the ratio of the amount of money Jenny spent on crafts to the amount she spent on books?
1 m
Level 1 PSLE
The pie chart shows the different ways a group of workers go to work. What is the ratio of number of workers who walk to work to the number who go by bus?
1 m
Level 3
A container holds some water up to a height of 71 cm. When 6 identical plastic balls are put into the container, the water level rises by 18 cm. One plastic ball is then removed from the tank, replaced by one metallic ball. The water level increases to 136 cm.
1. Find the ratio of the volume of 1 plastic ball to 1 metallic ball.
2. If the base area of the container is 150 cm2, find the difference in the volume between the metallic ball and the plastic ball. Give the answer in cm3.
4 m
Level 2 PSLE
The square ABCD is made up of 4 smaller squares.
1. What is the ratio of the area of the shaded part to the area of the unshaded part?
2. If the length of the square ABCD is 4 cm, what is the area of the shaded part?
2 m
Level 2 PSLE
At a shop, the price of the blouse is 35 the price of the vest. The price of the dress is half the price of the blouse. What is the ratio of the price of the vest to the price of a dress to the price of the blouse?
2 m
Level 2 PSLE
A bag contains marbles of three different colours. 15 of the marbles are blue. The ratio of the number of pink marbles to that of orange marbles is 2 : 3. What is the ratio of the number of blue marbles to that of orange marbles?
2 m