Level 3 PSLE
Six identical rectangular boxes can be stacked into a cupboard 0.9 m wide. Two arrangements are shown. The first arrangement in Figure A leaves a 42 cm gap at the top. The second one in Figure B leaves a 10 cm gap at the top and another gap at the side.

1. In the arrangement shown in Figure B, what is the width of the gap at the side in m?
2. What is the height of the cupboard in metres?

Level 3
The figure shows a tank ⁴₅ filled with water. The tank is made up of two cuboids. The top cuboid has a square base of length 10 m and a height of 16 m. The bottom cuboid has a square base of length 5 m and height 12 m. Find the height of the water level from the base of the container.

Level 3
In the diagram shown, 23 identical rubber balls were placed between two walls with equally spaced gaps between them. The first rubber ball and the last rubber ball were touching the front wall and last wall respectively. Given that the distance between the two walls was 399 cm and that the radius of a rubber ball was 7 cm. Find the length of the gap between any two adjacent rubber balls as shown.

Level 2 PSLE
The graph shows the fare a taxi company charges for the first 8 kilometres.

1. How much is the taxi fare for the first kilometre?
2. Zane paid $8 for his taxi ride. What was the distance he travelled?
3. How much does the taxi company charge for every kilometre after 4 km of travel?

Level 3
The figure shows 4 identical circles in a square, WXYZ. The area of the square is 16 cm². Find the area of the shaded part. (Take π = 3.14)