Multiple choice general knowledge math & puzzles

A thief is spotted by a policeman from a distance of 200 m. When the policeman starts a chase, the thief starts running. Speed of thief is 10 Kmph and that of policeman is 12 kmph. After how many hours will the policeman catch the thief?

  1. 6 min

  2. 8 min

  3. 20 min

  4. 4 min

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The relative speed is 12 - 10 = 2 kmph, which is 2000 m per 60 min = 100/3 m per min. To close a 200 m gap takes 200 / (100/3) = 6 minutes, matching option A. The question asks 'after how many hours' but the options are in minutes; the intended answer is 6 min.