The document contains 5 math problems involving calculating volumes of 3D shapes:
1. Finding the height of a cone joined to a cylinder given the volumes is 231 cm^3.
2. Calculating the volume of a solid cone with a cylinder removed.
3. Finding the volume of a cylinder with a hemispherical section removed.
4. Determining the volume of a solid formed by joining a cone and hemisphere.
5. Calculating the volume of a container made of a cuboid and a cylindrical quadrant.