A goods train runs at the speed of 72 km/hr and crosses a 250 m long platform in 15 sec. What is the length of the goods train?
Pick
A) 299	B) 277	C) 276	D) 270	E) 50
Speed = 72 * 5/18= 
<gadget id="calculator">72 * 5/18</gadget>
<output>20</output>
20 m/sec.   Time= 15 sec.   Let the length of the train be x meters.   Then, (x + 250)/15 = 20   x = 50 m.   Answer: 50
<result>E</result>
A goods train runs at the speed of 72 km/hr and crosses a 250 m long platform in 15 sec. What is the length of the goods train?