In what time will a railway train 60 m long moving at the rate of 72 kmph pass a telegraph post on its way? Choose the correct answer:
A) 8 sec B) 3 sec C) 2 sec D) 6 sec E) 9 sec
T = 60/72 * 18/5= 
<gadget id="calculator">60/72 * 18/5</gadget>
<output>3</output>
3 sec   Answer:3 sec
<result>B</result>
In what time will a railway train 60 m long moving at the rate of 72 kmph pass a telegraph post on its way?