Arithmetic Aptitudes › Problems on Trains › Question #2513
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QA 150-meter long train crosses a man walking at the speed of 6 kmph in the opposite direction in 6 seconds. The speed of the train in km/hr is:

ID: #2513 Problems on Trains 762 views
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#2513Q ID
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Problems on TrainsTopic
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  • A 66 ✔ ✖
  • B 84 ✔ ✖
  • C 96 ✔ ✖
  • D 106 ✔ ✖
Correct Answer: Option B

Explanation

Speed of the train be x km/hr 

 
Relative speed = (x + 6) km/hr 
 
= [(x+6)×5/18] m/sec = 150/6 
 
= ((x+6)×5)/18 
 
or 5x + 30 = 450 
 
or x = 84 km/hr
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