A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long? Choices.
A) 65 sec  B) 89 sec  C) 100 sec  D) 150 sec  E) 160 sec
Explanation:   Speed =240/24 m/sec = 10 m/sec   Required time =(240+650 /10)sec=89sec   ANSWER IS 89 sec
<result>B</result>
A train 240 m long passes a pole in 24 seconds. How long will it take to pass a platform 650 m long?