How long does a train 110 metres long running at the speed of 72 km / hr take to cross a bridge 132 metres in length? Pick one:
A) 9.8 sec
B) 12.1 sec
C) 12.42 sec
D) 14.3 sec
E) None
Solution   Speed	= (72 x 5/18 )m/sec   = 20 m/ sec   Total Distance covered	= (110 + 132)= 
<gadget id="calculator">(110 + 132)</gadget>
<output>242</output>
242 m   Required time= (242 / 60) sec   = 12.1 sec   Answer 12.1 sec
<result>B</result>
How long does a train 110 metres long running at the speed of 72 km / hr take to cross a bridge 132 metres in length?