A train 540 meters long is running with a speed of 54 kmph. The time taken by it to cross a tunnel 120 meters long is? Pick one.
A) 29  B) 44  C) 54  D) 99  E) 11
D = 540 + 120= 
<gadget id="calculator">540 + 120</gadget>
<output>660</output>
660   S= 54 * 5/18= 
<gadget id="calculator">54 * 5/18</gadget>
<output>15</output>
15 mps   T= 660/15= 
<gadget id="calculator">660/15</gadget>
<output>44</output>
44 sec   Answer: 44
<result>B</result>
A train 540 meters long is running with a speed of 54 kmph. The time taken by it to cross a tunnel 120 meters long is?