1. The problem asks: Which clock shows 10 minutes before 4:00? 2. To find 10 minutes before 4:00, subtract 10 minutes from 4:00. 3. 4:00 means the hour hand is on 4 and the minute hand is on 12 (0 minutes). 4. Subtracting 10 minutes means the minute hand moves to 50 minutes (since 60 - 10 = 50). 5. At 3:50, the hour hand is slightly before 4, and the minute hand points at 10 (which represents 50 minutes). 6. The left clock shows approximately 1:50, which is not 10 minutes before 4:00. 7. The right clock shows approximately 3:50, which is exactly 10 minutes before 4:00. Final answer: The right clock shows 10 minutes before 4:00.