Question 1
4 people (Raj, Riley, Alex, Ryan) live on floors 1 to 4. The following mathematical relationships hold:
Based on these clues:
• Alex and Ryan are exactly 1 floor apart
• The product of floor numbers of Raj and Riley is 12
• Riley's floor is 2 times Ryan's floor
On which floor does Riley live?
The unique arrangement (floor: person) is: {1: 'Alex', 2: 'Ryan', 3: 'Raj', 4: 'Riley'}.