How long does a train 110 m long traveling at 60 kmph takes to cross a bridge of 140 m in length?	Choose the correct answer.
A) 16.5
B) 16.0
C) 15
D) 16.8
E) 16.1
D = 110 + 140= 
<gadget id="calculator">110 + 140</gadget>
<output>250</output>
250 m   S= 60 * 5/18 = 50/3   T = 250 * 3/50= 
<gadget id="calculator">250 * 3/50</gadget>
<output>15</output>
15 sec   Answer: 15
<result>C</result>
How long does a train 110 m long traveling at 60 kmph takes to cross a bridge of 140 m in length?