How long does a train 90 m long traveling at 60 kmph takes to cross a bridge of 170 m in length?	Pick one:
A) sec  B) sec  C) sec  D) sec  E) sec
sec = 90 + 170= 
<gadget id="calculator">90 + 170</gadget>
<output>260</output>
260 m   S= 60 * 5/18 = 50/3   T = 260 * 3/50= 
<gadget id="calculator">260 * 3/50</gadget>
<output>78/5 = around 15.6</output>
15.6 sec   Answer: sec
<result>D</result>
How long does a train 90 m long traveling at 60 kmph takes to cross a bridge of 170 m in length?