A train 110 m long is running with a speed of 30 km/hr. In what time will it pass a man who is running at 6 km/hr in the direction opposite to that in which the train is going?
Choose the correct choice from the following answers:
A) 7 sec B) 6 sec C) 8 sec D) 11 sec E) 2 sec
Speed of train relative to man = 30 + 6= 
<gadget id="calculator">30 + 6</gadget>
<output>36</output>
36 km/hr.= 36 * 5/18= 
<gadget id="calculator">36 * 5/18</gadget>
<output>10</output>
10 m/sec.   Time taken to pass the men= 110 /10= 
<gadget id="calculator">110 /10</gadget>
<output>11</output>
11 sec.   Answer:11 sec
<result>D</result>
A train 110 m long is running with a speed of 30 km/hr. In what time will it pass a man who is running at 6 km/hr in the direction opposite to that in which the train is going?