A train 140 m long is running with a speed of 50 km/hr. In what time will it pass a man who is running at 4 km/hr in the direction opposite to that in which the train is going?	Choose one:
A) 8.1
B) 7.0
C) 9.33
D) 8
E) 9
Speed of train relative to man = 50 +4= 
<gadget id="calculator">50 +4</gadget>
<output>54</output>
54 km/hr.= 54 * 5/18= 
<gadget id="calculator">54 * 5/18</gadget>
<output>15</output>
15 m/sec.   Time taken to pass the men= 140 * 1/15 = 9.33 sec.   Answer: Option 9.33
<result>C</result>
A train 140 m long is running with a speed of 50 km/hr. In what time will it pass a man who is running at 4 km/hr in the direction opposite to that in which the train is going?