Question 1
6 people (Shweta, Eva, Mary, Barbara, Kavita, Rahul) live on floors 1 to 6. The following mathematical and logical constraints apply:
Based on these clues:
• Kavita and Rahul are exactly 4 floors apart
• The difference between floor numbers of Barbara and Rahul is 1
• Kavita lives immediately below Mary
• The sum of floor numbers of Eva and Kavita is 3
On which floor does Eva live?
The unique arrangement (floor: person) is: {1: 'Eva', 2: 'Kavita', 3: 'Mary', 4: 'Shweta', 5: 'Barbara', 6: 'Rahul'}.