A train 130 m long passes a man,running at 6 kmph in the direction opposite to that of the train,in 6 seconds.The speed of the train is Choose the most appropriate option
A) 54 kmph
B) 60 kmph
C) 66 kmph
D) 72 kmph
E) 82 kmph
speed of train relative to man: 130/6 * 18/5 km/hr   = 78 km/hr   let speed of train= x   therefore x+6 = 78   x= 78-6= 
<gadget id="calculator">78-6</gadget>
<output>72</output>
72 km/hr   ANSWER:72 kmph
<result>D</result>
A train 130 m long passes a man,running at 6 kmph in the direction opposite to that of the train,in 6 seconds.The speed of the train is