A train 300 m long passed a pole in 22 sec. How long will it take to pass a platform 725 m long?  Choose the correct choice from the following:
A) 12 sec
B) 59 sec
C) 73 sec
D) 67 sec
E) 76 sec
Speed = 300/22   = 14 m/sec.   Required time = (300 + 725)/14   = 73 sec.   Answer: 73 sec
<result>C</result>
A train 300 m long passed a pole in 22 sec. How long will it take to pass a platform 725 m long?