In what time will a railway train 120 m long moving at the rate of 36 kmph pass a telegraph post on its way? Choose the correct choice from the following answers:
A) 12 sec
B) 7 sec
C) 8 sec
D) 9 sec
E) 10 sec
T = 120/36 * 18/5= 
<gadget id="calculator">120/36 * 18/5</gadget>
<output>12</output>
12 sec   12 secnswer:12 sec
<result>A</result>
In what time will a railway train 120 m long moving at the rate of 36 kmph pass a telegraph post on its way?