A robber steals a bag from a man at 5 p.m. and starts running at 10 km/h. A policeman is informed about the robber at 5 : 12 p.m. and he chases him on a cycle at 15 km/h. At what time is the robber caught by the policeman?
1
5 : 36 p.m.
2
5 : 40 p.m.
3
5 : 48 p.m.
4
5 : 12 p.m.