Level 2
Beatrice placed potted plants at equal distance apart from each other to form the perimeter of a square garden. There was a potted plant in each corner. Given that there were 4 potted plants on each side of the garden, how many potted plants did Beatrice place?
Level 3
The following tank has a square base of side 40 cm. It is filled with water to a height of 8 cm. If 32 ℓ more of water is needed to fill the tank completely, what is the height of the tank?
Level 3
The following tank has a square base of side 40 cm. It is filled with water to a height of 8 cm. If 32 ℓ more of water is needed to fill the tank completely, what is the height of the tank?
Level 2 3 rows of 24 pupils each were told to arrange themselves to form a hollow square with the same number of pupils along each side of the square. How many pupils were there each side of the square?