A train runs at the speed of 72 kmph and crosses a 250 metre long platform in 26 seconds. What is the length of the train?	Choose the correct answer.
A) 270 m
B) 200 m
C) 400 m
D) 340 m
E) 150 m
speed = 72 * 5/18= 
<gadget id="calculator">72 * 5/18</gadget>
<output>20</output>
20 m/s   length of the train - x m   distance covered= 250 + x   time = 26 s   250+x/26=20   250+x=26*20= 
<gadget id="calculator">26*20</gadget>
<output>520</output>
520   x=520-250= 
<gadget id="calculator">520-250</gadget>
<output>270</output>
270   270 mNSWER 270 m
<result>A</result>
A train runs at the speed of 72 kmph and crosses a 250 metre long platform in 26 seconds. What is the length of the train?