A train 120 m in length crosses a telegraph post in 12 seconds. The speed of the train is?  Select the correct option.
A) 16 kmph  B) 88 kmph  C) 36 kmph  D) 18 kmph  E) 19 kmph
S = 120/12 * 18/5= 
<gadget id="calculator">120/12 * 18/5</gadget>
<output>36</output>
36 kmph   Answer: 36 kmph
<result>C</result>
A train 120 m in length crosses a telegraph post in 12 seconds. The speed of the train is?