The document contains 16 math word problems or questions covering a range of topics: 1) Finding the height of a tower using shadow length information at different sun angles. 2) Proving and finding the height of a tower using shadow length differences. 3) Calculating the distance to a cloud using elevation and depression angles. 4) Calculating distance and height using elevation and depression angles from a ship. 5) Finding the difference in shadow lengths of a pillar at different sun elevation angles.