Level 3
A rectangular tank 38 cm long, 23 cm wide and 18 cm high is 45 full of water. When 14 of the water was removed from the tank, how many ℓ of water was left in the tank? Express your answer as a decimal correct to 2 decimal places.
4 m
Level 3
The figure, not drawn to scale, is made up of two identical squares, X and Z and a rectangle Y. The ratio of the area X to the area of Y to the area of Z is 1 : 2 : 1. The ratio of the unshaded part of X to the unshaded part of Z is 2 : 3 respectively. Given that half of the area of X is shaded and the total area of all the shaded parts is 48 m2, what is the area of the whole figure?
3 m
Level 3
A flyer distributor earned $1.25 for every 100 flyers distributed. She was paid an additional bonus for $2 for every 1000 flyers given out. How much would she earn for distributing 2500 flyers?
4 m
Level 3
Container A and B are identical containers with the same base area and height. Container A is filled to the brim with water while Container B is empty. After 240 cm3 of water is poured into Container B from Container A, the depth of water in Container B is 14 the depth of water in Container A. If the height of the container is 25 cm, what is the base area of Container B?
4 m
Level 3
Carla had 384 stamps. Nicky had 34 of what Carla had. After Carla used some of his stamps and Nicky used 13 of his stamps, Carla had 23 as many stamps left as Nicky.
  1. How many stamps did Nicky have at first?
  2. How many stamps did Carla use?
4 m