How many seconds will a 770 m long train take to cross a man walking with a speed of 2.5 km/hr in the direction of the moving train if the speed of the train is 46.5 km/hr?	Choose the correct choice from the following answers:
A) 63 B) 88 C) 66 D) 44 E) 35
Speed of train relative to man = 46.5 - 2.5= 
<gadget id="calculator">46.5 - 2.5</gadget>
<output>44</output>
44 km/hr.= 44 * 5/18 = 110/9 m/sec.   Time taken to pass the man = 770 * 9/110= 
<gadget id="calculator">770 * 9/110</gadget>
<output>63</output>
63 sec.   63nswer: 63
<result>A</result>
How many seconds will a 770 m long train take to cross a man walking with a speed of 2.5 km/hr in the direction of the moving train if the speed of the train is 46.5 km/hr?