A train 120 meters long completely crosses a 480 meters long bridge in 55 seconds. What is the speed of the train is?
Select.
A) 32  B) 545  C) 39  D) 40  E) 09
S = (120 + 480)/45 = 600/55 * 18/5 = 39   Answer: 39
<result>C</result>
A train 120 meters long completely crosses a 480 meters long bridge in 55 seconds. What is the speed of the train is?