A train 100 meters long completely crosses a 300 meters long bridge in 36 seconds. What is the speed of the train is?	Choose the correct answer
A) 32 kmph
B) 76 kmph
C) 34 kmph
D) 43 kmph
E) 40 kmph

Rationale: "s = ( 100 + 300 ) / 36 = 400 / 36 * 18 / 5 = 40 answer : e"
Answer: E