A goods train runs at the speed of 72 km/hr and crosses a 280 m long platform in 26 sec. What is the length of the goods train?  Select the correct option
A) 278	B) 166	C) 151	D) 240	E) 109
Speed = 72 * 5/18= 
<gadget id="calculator">72 * 5/18</gadget>
<output>20</output>
20 m/sec.   Time= 26 sec.   Let the length of the train be x meters.   Then, (x + 280)/26 = 20   x = 240 m.   Answer:240
<result>D</result>
A goods train runs at the speed of 72 km/hr and crosses a 280 m long platform in 26 sec. What is the length of the goods train?