Give a quick stream of consciousness before answering the following question. In what time will a railway train 60 m long moving at the rate of 36 kmph pass a telegraph post on its way?
Options:
(A) 3
(B) 5
(C) 4
(D) 6
(E) 7
T = 60/36 * 18/5 = 6 sec
The answer: (D).