A train 160 m long running at 72 kmph crosses a platform in 25 sec. What is the length of the platform? Choose the correct choice from the following answers
A) 443 m  B) 354 m  C) 340 m  D) 350 m  E) 250 m
340 m   340   340 m = (72 * 5/18)*25-160= 
<gadget id="calculator">(72 * 5/18)*25-160</gadget>
<output>340</output>
340
<result>C</result>
A train 160 m long running at 72 kmph crosses a platform in 25 sec. What is the length of the platform?