General Aptitude › Problems on Trains › Question #2521
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QA train 300 m long crossed a platform 900 m long in 1 minute 12 seconds. The speed of the train in km/hr was:

ID: #2521 Problems on Trains 2,834 views
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#2521Q ID
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Problems on TrainsTopic
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  • A 45 ✔ ✖
  • B 50 ✔ ✖
  • C 54 ✔ ✖
  • D 60 ✔ ✖
Correct Answer

Explanation

Distance covered in 72 sec = (300+900)m 

 
Speed = (1200/72)m/sec 
 
=(50/3) m/sec 
 
= (50/3 × 18/5) km/hr = 60 km/hr.
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