1. In the figure below, SR is the height of Triangle PQR.
What is the base of the triangle?

2. There are 36 pens, 9 highlighters and 12 rulers in a box. What is the ratio of the number of highlighters to the number of pens to the number of rulers in the box?

3. The solid below is made up of unit of cubes. How many unit cubes are there?

4. Fiona made a bracelet with 48 blue and pink beads. For every 3 blue beads, she used 5 pink beads. How many more pink beads did she use?

5. The cuboid below has a square base of length 4 cm. Its height is twice its length. Find the volume of the cuboid.