A train which has 410 m long, is running 45 kmph. In what time will it cross a person moving at 9 kmph in same direction ?
Answers:
A) 56 sec	B) 41 sec	C) 36 sec	D) 29 sec.	E) 19 sec.
Time taken to cross a moving person = length of train/ relative speed   Time taken = 410/((45-9) (5/18)   = 410/ 36*(5/18)   = 410/10= 
<gadget id="calculator">410/10</gadget>
<output>41</output>
41 sec   ANSWER:41 sec
<result>B</result>
A train which has 410 m long, is running 45 kmph. In what time will it cross a person moving at 9 kmph in same direction ?