A thief steals a car at 5 PM and drives it at 40 km/h. The theft is known to police is at 5:30 PM and the police sets off in another car at 60 km/h. When will he overtake the thief?
1
6:30
2
4:30
3
3:30
4
6:00
5
None of the above / More than one of the above