A train passes a station platform in 36 sec and a man standing on the platform in 25 sec. If the speed of the train is 54 km/hr. What is the length of the platform?
Choices
A) 767 m  B) 240 m  C) 187 m  D) 176 m  E) 165 m
Speed = 54 * 5/18= 
<gadget id="calculator">54 * 5/18</gadget>
<output>15</output>
15 m/sec.   Length of the train= 15 * 25= 
<gadget id="calculator">15 * 25</gadget>
<output>375</output>
375 m.   Let the length of the platform be x m . Then,   (x + 375)/36= 15 =&gt; x = 165 m.   Answer:165 m
<result>E</result>
A train passes a station platform in 36 sec and a man standing on the platform in 25 sec. If the speed of the train is 54 km/hr. What is the length of the platform?