[Solved] A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long?

Q.	A train 240 m long passed a pole in 24 sec. How long will it take to pass a platform 650 m long?
A.	89 sec
B.	90 sec
C.	91 sec
D.	92 sec
Answer» A. 89 sec
Explanation: The speed of the train is Distance/Time = 240 m / 24 sec = 10 m/sec. When the train crosses the platform, it travels the length of the train plus the length of the platform. So, the total distance = 240 m + 650 m = 890 m. Therefore, the time taken to cross the platform = Distance/Speed = 890 m / 10 m/sec = 89 sec.

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