state gov WBPSC Clerkship Mock Test 2023 - 24 Quantitative Aptitude Speed Time and Distance Relative Speed
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)?
1
10
2
12.5
3
15
4
7.5