A train 360 m long runs with a speed of 45 km/hr. What time will it take to pass a platform of 150 m long?
Choose the correct answer.
A) 38 sec B) 35 sec C) 44 sec D) 40.8 sec E) none of these
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 + 150= 
<gadget id="calculator">360 + 150</gadget>
<output>510</output>
510 meter   Time taken to cross the platform= 510/(25/2) = 510 Ã— 2/25 = 40.8 seconds   ANSWER:40.8 sec
<result>D</result>
A train 360 m long runs with a speed of 45 km/hr. What time will it take to pass a platform of 150 m long?