A thief is noticed by a policeman from a distance of 450 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km and 11 km per hour respectively. What is the distance between them after 6 minutes ?  Choices
A) 50 meter B) 100 meter C) 220 meter D) 120 meter E) 350 meter
350 meterxplanation:   Relative speed of the thief and policeman = (11 – 10) km/hr = 1 km/hr   Distance covered in 6 minutes =   1/60∗6=1/10=100meters   So distance between them after 6 minutes = 450 - 100= 
<gadget id="calculator">450 - 100</gadget>
<output>350</output>
350 meters   Option 350 meter
<result>E</result>
A thief is noticed by a policeman from a distance of 450 m. The thief starts running and the policeman chases him. The thief and the policeman run at the rate of 10 km and 11 km per hour respectively. What is the distance between them after 6 minutes ?