The first train leaves the station at 6:00 am with a speed of 60 km/hr. The second train leaves at 7:00 am, in the same direction from the same station, with a speed of 80 km/hr. What time will the second train catch the first train?	Choose the correct option
A) 9:00 am B) 10:00 am C) 11:00 am D) 12:00 noon E) 1:00 pm
In one hour, the first train travels 60 km.   The second train catches the first train with a relative speed of 20 km/h.   The second train will catch the first train at 10:00 am.   The answer is 10:00 am.
<result>B</result>
The first train leaves the station at 6:00 am with a speed of 60 km/hr. The second train leaves at 7:00 am, in the same direction from the same station, with a speed of 80 km/hr. What time will the second train catch the first train?