A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?
Choices
A) 40 sec	B) 42 sec	C) 45 sec	D) 48 sec	E) 50 sec
Explanation:   Formula for converting from km/hr to m/s: X km/hr =(X x 5/8)m/s.   Therefore, Speed =(45 x5/18)m/sec	=	25/2 m/sec.   Total distance to be covered = (360 + 140)= 
<gadget id="calculator">(360 + 140)</gadget>
<output>500</output>
500 m.   Formula for finding Time=(Distance/Speed)   Required time =(500x 2 / 25)sec	= 40 sec.   40 secNSWER IS 40 sec
<result>A</result>
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?