In what time will a railway train 64 m long moving at the rate of 46 kmph pass a telegraph post on its way? Choose the correct choice from the following.
A) 3 B) 5 C) 4 D) 6 E) 7
T = 64/46 * 18/5 = 5 sec   Answer:5
<result>B</result>
In what time will a railway train 64 m long moving at the rate of 46 kmph pass a telegraph post on its way?