Question 1
Compared to a standard clock, an old clock runs 9 seconds faster every hour, while an old watch runs 6 seconds slower every hour. At 10:30:00 AM today, they show the same correct time, as shown in the diagram below.
After today, in how many days will this old clock and old watch show the same correct time again at 10:30:00 AM?
After today, in how many days will this old clock and old watch show the same correct time again at 10:30:00 AM?