Vishnu left place A at 10 a.m. for place B, and Sudeep left place B at 2 p.m. for place A. The distance between the two places is 556 km. If Vishnu's speed is 42 km/h and Sudeep's speed is 55 km/h, then at what time will they meet each other?
1
8 p.m.
2
5 p.m.
3
7 p.m.
4
6 p.m.