General Aptitude › Problems on Trains › Question #2540
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QA 300 meter long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length of the platform?

ID: #2540 Problems on Trains 1,295 views
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#2540Q ID
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Problems on TrainsTopic
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  • A 150 m ✔ ✖
  • B 200 m ✔ ✖
  • C 350 m ✔ ✖
  • D 400 m ✔ ✖
Correct Answer

Explanation

Speed = [300 / 18] m/sec = 50/3 m/sec.

Let the length of the platform be x meters.

Then, x + 300 / 39 = 50/3 

3(x + 300) = 1950 è x = 350m.

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