A thief is spotted by a policeman from a distance of 200 meters. The policeman starts chasing at a speed of 10 km/h while the thief is running at a speed of 8 km/h. After how much time (in minutes) will the thief be caught?
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → 6
Both run in the same direction, so the policeman closes the gap at the relative speed, the difference of their speeds.
Relative speed \(=10-8=2\) km/h
Gap \(=200\) m \(=0.2\) km
Time \(=\displaystyle\frac{0.2}{2}=0.1\) h \(=0.1\times60=6\) minutes