How long does a train 110 m long traveling at 90 kmph takes to cross a bridge of 170 m in length? Answers:
A) 16.5  B) 16.0  C) 16.4  D) 16.8  E) 11.2
D = 110 + 170= 
<gadget id="calculator">110 + 170</gadget>
<output>280</output>
280 m   S= 90 * 5/18= 
<gadget id="calculator">90 * 5/18</gadget>
<output>25</output>
25   T= 280 * 1/25= 
<gadget id="calculator">280 * 1/25</gadget>
<output>56/5 = around 11.2</output>
11.2 sec   Answer: 11.2
<result>E</result>
How long does a train 110 m long traveling at 90 kmph takes to cross a bridge of 170 m in length?