Question: If a building is designed to have a floor area of 2000 sq meters and each floor is 4 meters high, how many floors can be built if the total height of the building is 20 meters?

Options:

1. 3 floors
2. 4 floors
3. 5 floors
4. 6 floors

Correct Answer: 6 floors

Solution:

Total height = 20 meters, height per floor = 4 meters, so number of floors = total height/height per floor = 20/4 = 5 floors.