Level 3
Peter made 75 paper aeroplanes in four days. Each day after the first day, he made double the number paper aeroplanes than the day before. How many paper aeroplanes did he make on the first day?
3 m
Level 3
The diagram shows the mass of two identical boxes with objects A and B placed in them respectively.
  1. Given that object B is three times as heavy as object A, find the mass of object A.
  2. Find the mass of an empty box. Express your answer in grams.
3 m
Level 3
The figure is not drawn to scale. ∠ABC is a right angle. ∠x is twice of ∠y. Find ∠x.
3 m
Level 3
The number of people who visited the museum triples every week. A total of 1674 people visited the museum on the 3rd week of the month. How many people visited the museum on the first week of the month?
4 m
Level 2
A jacket costs $4.70. A hoodie costs four times as much as the jacket. Find the total cost of the hoodie and the jacket.
2 m
Level 2
Jonathan paid $18.40 for a CD. He bought another MP3 player which cost 4 times as much as the CD. What was the total cost of the MP3 player and the CD?
2 m
Level 2
A roll of rope was cut into 2 pieces. One piece was 4 times as long as the other piece. If the longer piece was 20.05 m long, what was the length of the shorter piece?
2 m
Level 3
The length of a rectangular field is twice as long as its breadth. The perimeter of the rectangular field is 36 m. What is the area of the rectangular field?
3 m
Level 3
The perimeter of a rectangle is 48 cm. Its length is 3 times as long as its breadth. Find its area.
3 m
Level 3
Adam ran around a rectangular field from W to X to Y to Z and back to W. He covered a distance of 300 m. If the length of the field is twice the breadth, what is the area of the field?
3 m