How long does a train 130 m long running at the speed of 80 km/hr takes to cross a bridge 140 m length? Choose the correct choice from the following answers
A) 13.9 sec  B) 12.3 sec  C) 17.9 sec  D) 61.9 sec  E) 47.98 sec
Speed = 80 * 5/18 = 22 m/sec   Total distance covered = 130 + 140= 
<gadget id="calculator">130 + 140</gadget>
<output>270</output>
270 m.   Required time= 270/22 = 12.3 sec.   Answer:12.3 sec
<result>B</result>
How long does a train 130 m long running at the speed of 80 km/hr takes to cross a bridge 140 m length?