A train passes a station platform in 36 sec and a man standing on the platform in 23 sec. If the speed of the train is 54 km/hr. What is the length of the platform? Choose one
A) 767 m	B) 240 m	C) 195 m	D) 176 m	E) 186 m
Speed = 54 * 5/18= 
<gadget id="calculator">54 * 5/18</gadget>
<output>15</output>
15 m/sec.   Length of the train= 15 * 23= 
<gadget id="calculator">15 * 23</gadget>
<output>345</output>
345 m.   Let the length of the platform be x m . Then,   (x + 345)/36= 15 =&gt; x = 195 m.   Answer:195 m
<result>C</result>
A train passes a station platform in 36 sec and a man standing on the platform in 23 sec. If the speed of the train is 54 km/hr. What is the length of the platform?