A thief is spotted by a policeman from a distance of 100metres. When the policeman starts the chase, the thief also starts running. If the speed of the thief be 15km/hr and that of the policeman 20km/hr, how far the thief will have run before he is overtaken ?	Select:  A) A)1km  B) B)300m  C) C)650m  D) D)750m  E) E)800m
Relative speed of the policeman = 20-15= 
<gadget id="calculator">20-15</gadget>
<output>5</output>
5 km/hr   time taken by policeman to cover 100m= (100/1000)*(1/5) = 1/50 hr   In 1/50 hr the thief covers a distance of 15/50 km = 3/10 km = 300m   Answer is 300m
<result>B</result>
A thief is spotted by a policeman from a distance of 100metres. When the policeman starts the chase, the thief also starts running. If the speed of the thief be 15km/hr and that of the policeman 20km/hr, how far the thief will have run before he is overtaken ?