A train , having a length of 385 meter is running at a speed of 60 kmph. In what time, it will pass a man who is running at 6 kmph in the direction opposite to that of the train	Choose the correct choice from the following choices:
A) 10 sec  B) 8 sec  C) 6 sec  D) 4 sec  E) 21 sec
21 secxplanation:   Distance = 385 m   Relative speed = 60+6= 
<gadget id="calculator">60+6</gadget>
<output>66</output>
66 kmph (Since both the train and the man are in moving in opposite direction)= 66×10/36 mps = 110/6 mps   Time = distance/speed = 385/(110/6)= 
<gadget id="calculator">385/(110/6)</gadget>
<output>21</output>
21 s   Answer: Option 21 sec
<result>E</result>
A train , having a length of 385 meter is running at a speed of 60 kmph. In what time, it will pass a man who is running at 6 kmph in the direction opposite to that of the train