General Aptitude › Time and Distance › Question #4688
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QA train is travelling at an average speed of 80 kilometres per hour. It takes 15 seconds to pass a railway platform. If the platform length is 130 m, then the train length is

ID: #4688 Time and Distance 298 views
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#4688Q ID
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Time and DistanceTopic
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  • A 140.5 m ✔ ✖
  • B 160 m ✔ ✖
  • C 203.33 m ✔ ✖
  • D None of these ✔ ✖
Correct Answer

Explanation



 using the formula for speed, which is speed = distance / time, to find the speed of the train in m/s.

You are then using this speed to find the length of the train, X, in meters. 

You do this by setting the distance covered by the train equal to the length of the train plus the distance between the two poles, 

which is 130 m. 

By solving this equation, you find that the length of the train is 203.3 meters.
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