A thief seeing a policeman from a distance of 300 m starts running at a speed of 10 km/h. The policeman gives chase immediately at a speed of 12 km/h and the thief is caught. What is the distance run by the thief?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 1.5 km
Given that
The speed of a policeman = 12 km/h
The speed of a thief = 10 km/h
The initial distance between the police and the thief = 300 m
According to the question
The relative speed of policeman and thief = 12 - 10 = 2 km/h
The time to catch the thief = 300/(2 × 1000) = 0.15 hours
Hence, the distance run by the thief = 0.15 × 10 = 1.5 km