A train 120m long is running at 60kmph. In how much time will it pass a platform 240m long?  Pick:	A) 15.6 seconds	B) 24.6 seconds	C) 21.6 seconds	D) 30.6 seconds	E) 35.6 seconds
Distance travelled = 120 + 240= 
<gadget id="calculator">120 + 240</gadget>
<output>360</output>
360m
Speed= 60 * 5/8 = 50/3m
Time = 360 * 3/50= 
<gadget id="calculator">360 * 3/50</gadget>
<output>108/5 = around 21.6</output>
21.6 Seconds
Answer : 21.6 seconds.
<result>C</result>
A train 120m long is running at 60kmph. In how much time will it pass a platform 240m long?