How long does a train 60 m long travelling at 60 kmph takes to cross a bridge of 80 m in length? Pick
A) 5.8 sec B) 8.4 sec C) 12.4 sec D) 6.8 sec E) 1.8 sec
8.4 sec   16.8 sec   D = 60 + 80= 
<gadget id="calculator">60 + 80</gadget>
<output>140</output>
140 m   S= 60 * 5/18 = 50/3   T = 140 * 3/50= 
<gadget id="calculator">140 * 3/50</gadget>
<output>42/5 = around 8.4</output>
8.4 sec   Answer is 8.4 sec
<result>B</result>
How long does a train 60 m long travelling at 60 kmph takes to cross a bridge of 80 m in length?