Question 23
A $4\text{ cm}\times4\text{ cm}$ board can have $1\text{ cm}^3$ cubes placed on it as shown.
The board is cleared, then a number of these cubes are placed on the grid. The front and right side views are shown.
What is the maximum number of cubes there could be on the board?


The board is cleared, then a number of these cubes are placed on the grid. The front and right side views are shown.
What is the maximum number of cubes there could be on the board?

