A policeman noticed a criminal from a distance of 265 km. The criminal starts running and the policeman chases him. The criminal and the policeman run at the rate of 8 km and 9 km per hour respectively. What is the distance between them after 3 minutes ?
Pick one
A) 100 m  B) 120 m  C) 130 m  D) 150 m  E) None of these
Explanation :   Solution: Relative speed = (9 - 8)= 
<gadget id="calculator">(9 - 8)</gadget>
<output>1</output>
1 km/hr.   Distance covered in 3 minutes= (1 * 3/60) km = 1/20 km = 50 m.   .'. Distance between the criminal and policeman = (265 - 50)= 
<gadget id="calculator">(265 - 50)</gadget>
<output>215</output>
215 m.   Answer : None of these
<result>E</result>
A policeman noticed a criminal from a distance of 265 km. The criminal starts running and the policeman chases him. The criminal and the policeman run at the rate of 8 km and 9 km per hour respectively. What is the distance between them after 3 minutes ?