Xiaoming lives on the 18th floor. Sometimes when he returns home, he takes the elevator directly to the 18th floor, but other times he goes to the 15th floor and walks up. Why?
Play Count
1,509
Success Rate
65%
Avg Questions
10
Estimated Time
15minutes
Game Rules
Ask questions to the AI host (only yes/no questions allowed)
Deduce the truth step by step based on the host's answers
Submit your reasoning when you think you've found the answer
Earn credits for correct answers and unlock more puzzles!