A policeman chasing a thief is 0.5 km behind the thief. The speed of thief is 80% of the speed of the policeman and policeman catches him in 12 minutes. What is the speed of the thief (in km/h )?

Given: ​

Distance between Police and thief = 0.5 km 

Speed of thief = 80% of speed of police

time taken to catch the thief = 12 minute

Formula Used: ​

Speed = $$\frac{\text { Distance}}{\text{ Time}}$$ 

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