A 300 metre long train crosses a platform in 39 seconds while it crosses a post in 18 seconds. What is the length of the platform?
Select.
A) 150 metre B) 380 metre C) 350 metre D) 200 metre E) 250 metre
Speed of the train =300/18 m/s=50/3 m/s   Distance covered in 39 seconds=39 Ã— 50/3 =650 metre   Length of the train =650-300= 
<gadget id="calculator">650-300</gadget>
<output>350</output>
350 metre   ANSWER: 350 metre
<result>C</result>
A 300 metre long train crosses a platform in 39 seconds while it crosses a post in 18 seconds. What is the length of the platform?