Two stations A and B are 275 km apart on a straight line. One train starts from A at 6:00 A.M. and travels towards B at 50 km/h. Another train starts from B at 7:00 A.M. and travels towards A at a speed of 62.5 km/h. At what time will they meet?
1
11:00 A.M.
2
9:00 A.M.
3
8:00 A.M.
4
10:00 A.M.