Question
A thief is noticed by a policeman from a
distance of 200m. The theif 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. What is the distance between them after 6 minutes?
Answer: Option A
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Relative speed of the thief and policeman
= (11-10) km / hr = 1 km / hr.
Distance coverd in 6 minutes = [1/60 * 6] km = 1/10 km = 100 m.
∴ Distance between the thief and policeman = (100-100) m = 100 m.
(time taken to walk x km) + (Time taken to ride x km) = 23/4 hrs.
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