Time & Distance
A thief is noticed by a policeman from a distance of 400 m. The thief starts running and policeman chased him. The thief and the policeman run at the rate of 10 km and 11 km per hour respectively. What is distance between them after 12 minutes?
|E||None of these|
Relative speed = (11 – 10) = 1 km/h
Distance covered in 10 minutes
∴ Distance between them = 400 – 200 = 200 m