A train 150 m long running at 72 kmph crosses a platform in 20 sec. What is the length of the platform?
Choose the correct answer.
A) 443 m	B) 354 m	C) 450 m	D) 350 m	E) 250 m
250 m   250   250 m = 72 * 5/18= 
<gadget id="calculator">72 * 5/18</gadget>
<output>20</output>
20= 400 â€“ 150 = 250
<result>E</result>
A train 150 m long running at 72 kmph crosses a platform in 20 sec. What is the length of the platform?