A policeman chases a thief at a speed of 27 km/h and catches him after 1 minute and 36 seconds. If the distance between the Policeman and the thief was 240 meters initially, What's the speed of the thief?

Correct answer marked below

6 km/h

9 km/h

12 km/h

18 km/h

Correct

None of these

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What this question tests

Your application of distance = rate × time to trains, boats, and commuters, including relative speed.

Mixing units (miles per hour vs. minutes) or averaging speeds — average speed is total distance over total time.