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      Question

      A thief is spotted by a policeman from a distance of 200

      meters. When the policeman starts the chase, the thief also starts running. If the speed of the thief is 10 km/h and that of the policeman is 12 km/h, how far would the thief have run before he is overtaken?
      A 2 km Correct Answer Incorrect Answer
      B 5 km Correct Answer Incorrect Answer
      C 1 km Correct Answer Incorrect Answer
      D 7 km Correct Answer Incorrect Answer

      Solution

      ATQ, Relative speed = 12 - 10 = 2 km/h. Distance gap = 200 m = 0.2 km. Time taken to catch = Distance / Relative Speed = 0.2 / 2 = 0.1 hours. Distance covered by thief = Speed of thief Ă— Time = 10 Ă— 0.1 = 1 km.

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