A train 1600 m long passes a man, running at 6 km/hr in the same direction in which the train is going, in 60 sec. The speed of the train is?	Choose one: A) 42 km/hr B) 44 km/hr C) 46 km/hr D) 48 km/hr E) 50 km/hr
Speed of the train relative to man = 1600/60 = 80/6 m/sec.   = 80/6 * 18/5= 
<gadget id="calculator">80/6 * 18/5</gadget>
<output>48</output>
48 km/hr   Let the speed of the train be x km/hr. Then, relative speed= (x - 5) km/hr.   x - 6 = 48 =&gt; x = 42 km/hr.   42 km/hrnswer: 42 km/hr
<result>A</result>
A train 1600 m long passes a man, running at 6 km/hr in the same direction in which the train is going, in 60 sec. The speed of the train is?