Question 137
A thief is noticed by a policeman from a distance of 200 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km and 11 km per hour respectively. The distance (in metres) between them after 6 minutes is
Solution
When two bodies move in the same direction their relative speed is the difference of their speeds.
The relative speed between the police and the thief is 1 km per hour.
1km per hour = 1 km in 60 minutes.
Therefore 100 m in 6 minutes.This is the distance between them after 6 minutes.
Hence Option C is the correct answer.
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