By Poonam

Verified by Ajay Kumar

A thief is 2,000 metres ahead of a policeman when the policeman starts a chase by running at 20 m/s. If the thief is running at 12 m/s, then find the time taken by the policeman to catch the thief.

  1. 210 seconds

  2. 280 seconds

  3. 250 seconds

  4. 220 seconds

Answer: C

Solution

Relative speed = \(20-12=8\) m/s. Time = \(2000/8=250\) seconds.

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