How long does a train 110 m long running at the speed of 90 km/hr takes to cross a bridge 132 m length?
Choose the correct choice from the following
A) 12.9 sec  B) 9.68 sec  C) 17.9 sec  D) 16.8 sec  E) 14.9 sec
Speed = 90 * 5/18= 
<gadget id="calculator">90 * 5/18</gadget>
<output>25</output>
25 m/sec   Total distance covered= 110 + 132= 
<gadget id="calculator">110 + 132</gadget>
<output>242</output>
242 m.   Required time= 242/25= 
<gadget id="calculator">242/25</gadget>
<output>242/25 = around 9.68</output>
9.68 sec.   Answer: 9.68 sec
<result>B</result>
How long does a train 110 m long running at the speed of 90 km/hr takes to cross a bridge 132 m length?