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
Level 2
Mr Tan gave monthly allowance to his wife and two daughters in the ratio of 5 : 3. His daughters received $420 altogether. How much did his wife receive?
2 m
Level 2
The sides of a triangle are in the ratio 5 : 2 : 3. The length of the longest side is 20 cm. Find the length of the shortest side of the triangle.
2 m
Level 2
In the circle, the ratio of the area of the shaded part to the area of the unshaded part is 3 : 1. Given that the area of the shaded part is 48 cm2, what is the area of the circle?
2 m
Level 2
The ratio of three sides of a triangle is 4 : 5 : 3. If the perimeter of the triangle is 60 cm, how long is the longest side of the triangle?
2 m
Level 2
Patricia is preparing a fruit punch by mixing syrup with water in the ratio of 2 : 3. How much syrup is needed if 18 litres of water is used?
2 m
Level 2
Amin has a number of $2 and $5 notes in the ratio of 7: 4. The total value of all the notes is $306. How many $5 notes does Amin have?
2 m
Level 2
Liam and Tim share a bunch of chikoos in the ratio 5 : 3. If Liam gives Tim 23 chikoos from his share, they will have the same number of chikoos. How many chikoos does Liam have at first?
2 m
Level 2
In the figure, MON is a straight line. Given that the ratio of ∠a to ∠b is 1 : 2, what is the value of ∠b?
2 m
Level 3
During her shopping trip, Samantha bought three different types of pens, X, Y and Z in the ratio of 4 : 2 : 5. She decided to sell them at the prices listed as shown.

Pen X: $1.20
Pen Y: $0.85
Pen Z : $0.60

Given that Samantha bought a total 451 pens, how much did Samantha collect from the sale of all the pens?
3 m
Level 1
Fill in the blanks .
The number of red stickers and the number of blue stickers are in the ratio of 2 : 3.
  1. Number of red stickers = _____ u
  2. Number of blue stickers = _____ u
  3. Total number of stickers = _____ u
  4. Number of less red stickers than blue stickers = _____ u
4 m