A train 360 m long runs with a speed of 45 km/hr. What time will it take to pass a platform of 390 m long?
Choose the correct answer.
A) 38 sec	B) 35 sec	C) 44 sec	D) 40 sec	E) 60 sec
60 secxplanation:   Speed = 45 km/hr = 45×(10/36) m/s   = 150/12 = 50/4 = 25/2 m/s   Total distance = length of the train + length of the platform   = 360 + 390= 
<gadget id="calculator">360 + 390</gadget>
<output>750</output>
750 meter   Time taken to cross the platform= 750/(25/2) = 750×2/25 = 60 seconds   Answer: Option 60 sec
<result>E</result>
A train 360 m long runs with a speed of 45 km/hr. What time will it take to pass a platform of 390 m long?