Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a man in the slower train in 27 seconds. Find the length of the faster train?  Pick one
A) 270 m	B) 870 m	C) 290 m	D) 278 m	E) 275 m
Relative speed = (72 - 36) * 5/18 = 2 * 5= 
<gadget id="calculator">2 * 5</gadget>
<output>10</output>
10 mps.   Distance covered in 27 sec= 27 * 10= 
<gadget id="calculator">27 * 10</gadget>
<output>270</output>
270 m.   The length of the faster train= 270 m.   270 mnswer:270 m
<result>A</result>
Two trains are moving in the same direction at 72 kmph and 36 kmph. The faster train crosses a man in the slower train in 27 seconds. Find the length of the faster train?