A train 550 m long is running with a speed of 60 km/hr. In what time will it pass a man who is running at 6 km/hr in the direction opposite to that in which the train is going?
Choose the correct choice from the following.
A) 5
B) 6
C) 7
D) 8
E) 30
Speed of train relative to man = 60 + 6= 
<gadget id="calculator">60 + 6</gadget>
<output>66</output>
66 km/hr.= 66 * 5/18 = 55/3 m/sec.   Time taken to pass the men = 550 * 3/55= 
<gadget id="calculator">550 * 3/55</gadget>
<output>30</output>
30 sec.   Answer: Option 30
<result>E</result>
A train 550 m long is running with a speed of 60 km/hr. In what time will it pass a man who is running at 6 km/hr in the direction opposite to that in which the train is going?