Clues

1. D, E, F, and G live on floors 1 through 4.
2. D lives immediately above E.
3. F lives above G.
4. E lives on floor 1.

Question

Who lives on floor 4?

Answer

F lives on floor 4.

Solution

1. E is on floor 1, so D is on floor 2.
2. F must be above G, leaving G on floor 3 and F on floor 4.