Level 2
A rectangular tank measures 30 cm by 20 cm by 10 cm. Water from a tap flows into the tank at 500 mℓ per minute. How long will it take to fill half of the tank? Express your answer in minutes.
2 m
Level 2
The length, breadth and height of a cuboid are in the ratio 8 : 5 : 2. If the length of the cuboid is 30 cm longer than its height, find its volume.
2 m
Level 2
The height of a cuboid is 4 times that of its width. Its width is half that of its length. If its height is 20 cm, find its volume.
2 m
Level 2
An empty tank has dimension 80 cm by 60 cm by 40 cm. A tap was turned on to fill into the tank at the rate of 5 litres per minute. How long did it take for 12 of the tank to be filled with water? Give your answer in minutes.
2 m
Level 1
What is the maximum number of cubes of edge 6 cm that can be cut from a foam cuboid, 67 cm by 36 cm by 27 cm?
2 m