A train 60 m long is running with a speed of 54 km per hour. In what time will it pass a telegraph post? Pick one
A) 11 s	B) 10 s	C) 7 s	D) 4 s	E) None of these
We know from the formula Time = Distance/ Speed   Thus, Time = 60/ 54 x 5/18   or, Time = 4 sec.   ANSWER:4 s
<result>D</result>
A train 60 m long is running with a speed of 54 km per hour. In what time will it pass a telegraph post?