A train 100 m long is running with a speed of 68 kmph. In what time will it pass a man who is running at 8 kmph in the same direction in which the train is going?
Choose the correct choice.
A) 6 sec.
B) 7 sec.
C) 9 sec.
D) 11 sec.
E) None
Solution   Speed of the train relative to man	=( 68 - 8 )= 
<gadget id="calculator">( 68 - 8 )</gadget>
<output>60</output>
60 Kmph= 60 x 5 / 18   =50/3 m/sec.   Time taken by it to cover 100 m at (50 /3)m/sec   = (100 x 3/50)sec   = 6 sec.   6 sec.nswer 6 sec.
<result>A</result>
A train 100 m long is running with a speed of 68 kmph. In what time will it pass a man who is running at 8 kmph in the same direction in which the train is going?