How many seconds will a 300 m long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr? Choose the correct answer.
A) 11	B) 30	C) 99	D) 88	E) 18
Speed of train relative to man = 63 - 3= 
<gadget id="calculator">63 - 3</gadget>
<output>60</output>
60 km/hr.= 60 * 5/18 = 50/3 m/sec.   Time taken to pass the man = 300 * 3/50= 
<gadget id="calculator">300 * 3/50</gadget>
<output>18</output>
18 sec.   Answer: 18
<result>E</result>
How many seconds will a 300 m long train take to cross a man walking with a speed of 3 km/hr in the direction of the moving train if the speed of the train is 63 km/hr?