A train 410 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long? Options.
A) 40 sec	B) 50 sec	C) 44 sec	D) 49 sec	E) 60 sec
Speed = 45 * 5/18 = 25/2 m/sec   Total distance covered = 410 + 140= 
<gadget id="calculator">410 + 140</gadget>
<output>550</output>
550 m   Required time= 550 * 2/25= 
<gadget id="calculator">550 * 2/25</gadget>
<output>44</output>
44 sec   Answer:44 sec
<result>C</result>
A train 410 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?