A policeman spotted a criminal from a distance of 200 metres. When the policeman starts the chase, the criminal also starts running. If the criminal was running at 10 km/hr and the policeman was chasing at the speed of 12 km/hr, find the distance the criminal will run before he is catched by the policeman ? Choose the correct choice from the following options: A) 1.5 km B) 700 m C) 900 m D) 1 km E) None of these
Explanation :   Solution: Relative speed = (12 - 10)= 
<gadget id="calculator">(12 - 10)</gadget>
<output>2</output>
2 km/hr.   Time taken by policeman to cover 200 m= (200/1000 * 1/2) hr   = 1/10 hr.   In 1/10 hrs, the criminal covers a distance of   (10*1/10)= 
<gadget id="calculator">  (10*1/10)</gadget>
<output>1</output>
1 km.   Answer : 1 km
<result>D</result>
A policeman spotted a criminal from a distance of 200 metres. When the policeman starts the chase, the criminal also starts running. If the criminal was running at 10 km/hr and the policeman was chasing at the speed of 12 km/hr, find the distance the criminal will run before he is catched by the policeman ?