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 answers
A) 82.1 sec B) 9.68 sec C) 16.1 sec D) 13.1 sec E) 12.15sec
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?