General Aptitude › Problems on Trains › Question #2538
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QA train 400 m long can cross an electric pole in 20 sec and then find the speed of the train?

ID: #2538 Problems on Trains 2,223 views
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#2538Q ID
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Problems on TrainsTopic
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  • A 65 Kmph ✔ ✖
  • B 70 Kmph ✔ ✖
  • C 72 Kmph ✔ ✖
  • D 75 Kmph ✔ ✖
Correct Answer

Explanation

Length = Speed * time

Speed = L/T 

S = 400/20

S = 20 M/Sec 

Speed= 20*18/5 (To convert M/Sec in to Kmph multiply by 18/5)

Speed = 72 Kmph

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