A train 110 metres long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?  Choose one.
A) 4  B) 5  C) 6  D) 9  E) 8
Sol.   Speed of train relative to man = (60 + 6) km/hr = 66 km/hr   = [66 * 5/18] m/sec = [55/3] m/sec.   ∴ Time taken to pass the man = [110 * 3/55= 
<gadget id="calculator">110 * 3/55</gadget>
<output>6</output>
6 sec.   Answer 6
<result>C</result>
A train 110 metres long is running with a speed of 60 kmph. In what time will it pass a man who is running at 6 kmph in the direction opposite to that in which the train is going?