Level 1
The ratio of Natalie's age to her brother's age is 7 : 9. Natalie is 21 years old. What is her brother's age?
1 m
Level 2
A bag contains blue and green marbles in the ratio of 2 : 5. There is a total of 91 marbles in the bag. How many more blue marbles must be added into the bag so that the number of blue marbles will be the same as the number of green marbles?
2 m
Level 2
The figure shows the mass of 3 objects, A, B and C. C has a mass of 2.3 kg. The ratio of the mass of A to the mass of B is 4 : 1. What is the mass of B? Express your answer in kg.
2 m
Level 2
The figure consists of 2 squares A and B whose areas are in the ratio of 3 : 1. Given that 112 of Square A is shaded, what fraction of Square B is shaded?
2 m
Level 2
Manny designed a logo using three ovals. The areas of the ovals were in the ratio of 1 : 4 : 13. He then shaded some parts of the logo as shown. What was the ratio of the shaded area to the unshaded area of the logo?
2 m
Level 2
In a scout camp, each scout was given either 2 or 4 wafers for supper. The ratio of the number of scouts to the number of wafers was 3 : 10. What fraction of the scouts received 2 wafers each?
2 m
Level 2
The ratio of the length to the breadth to the height of a cuboid is 7 : 5 : 8. The height is 18 cm longer than the breadth. Find the volume of the cuboid.
2 m
Level 2
The ratio of Kelly's savings to Tricia's savings is 2 : 5. If Kelly saves $24 more and Tricia spends $12, they will have the same amount of money. How much is Tricia's savings?
2 m
Level 2
A container contains potatoes and tomatoes with mass in the ratio 3 : 5. If there are 10 kg more tomatoes than potatoes, what is the total mass of potatoes and tomatoes in the container?
2 m
Level 2
Charles and Lily had the same number of sweets. After Lily gave away 15 sweets and Charles gave away 45 sweets, Lily had 4 times as many sweets as Charles. How many sweets did each of them have at first?
2 m