A train 180 m long is running with a speed of 55 km/hr. In what time will it pass a man who is running at 7km/hr in the direction opposite to that in which the train is going?	Choose the correct choice from the following
A) 5.5	B) 10.45	C) 7	D) 8	E) 9.5
Speed of train relative to man = 55+ 7= 
<gadget id="calculator">55+ 7</gadget>
<output>62</output>
62 km/hr.= 62 * 5/18 = 155/9 m/sec.   Time taken to pass the men = 180 *9/155 = 10.45 sec.   Answer: Option 10.45
<result>B</result>
A train 180 m long is running with a speed of 55 km/hr. In what time will it pass a man who is running at 7km/hr in the direction opposite to that in which the train is going?