A train 360 m long is running at a speed of 60 km/hr. In what time will it pass a bridge 140 m long? Choose the correct option:
A) 40 sec  B) 30 sec  C) 26 sec  D) 27 sec  E) 34 sec
Speed = 60 * 5/18 = 50/3 m/sec   Total distance covered = 360 + 140= 
<gadget id="calculator">360 + 140</gadget>
<output>500</output>
500 m   Required time= 500 * 3/50= 
<gadget id="calculator">500 * 3/50</gadget>
<output>30</output>
30 sec   Answer: 30 sec
<result>B</result>
A train 360 m long is running at a speed of 60 km/hr. In what time will it pass a bridge 140 m long?