How long does a train 110 m long traveling at 60 kmph takes to cross a bridge of 240 m in length?	Choose the most appropriate option
A) 18.9 sec
B) 88.9 sec
C) 22.9 sec
D) 21.00 sec
E) 72.0 sec
21.00 sec = 110 + 240= 
<gadget id="calculator">110 + 240</gadget>
<output>350</output>
350 m   S= 60 * 5/18 = 50/3   T = 350 * 3/50= 
<gadget id="calculator">350 * 3/50</gadget>
<output>21</output>
21.00 sec   Answer: 21.00 sec
<result>D</result>
How long does a train 110 m long traveling at 60 kmph takes to cross a bridge of 240 m in length?