A train 360 m long runs with a speed of 45 km/hr. What time will it take to pass a platform of 340 m long?
Options.
A) 38 sec  B) 35 sec  C) 44 sec  D) 40 sec  E) 56

Rationale: "speed = 45 km / hr = 45 ã — ( 5 / 18 ) m / s = 150 / 12 = 50 / 4 = 25 / 2 m / s total distance = length of the train + length of the platform = 360 + 340 = 700 meter time taken to cross the platform = 700 / ( 25 / 2 ) = 700 ã — 2 / 25 = 56 seconds answer : e"
Answer: E