Arithmetic Aptitudes › Problems on Trains › Question #2524
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QTwo goods train every 500 m long are running in opposite directions on parallel tracks. Their speeds are 45 km/hr and 30 km/hr respectively. Find the time taken by the slower train to pass the driver of the faster one?

ID: #2524 Problems on Trains 728 views
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#2524Q ID
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Problems on TrainsTopic
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  • A 12 sec ✔ ✖
  • B 24 sec ✔ ✖
  • C 48 sec ✔ ✖
  • D 60 sec ✔ ✖
Correct Answer: Option C

Explanation

Relative speed = 45 + 30 = 75 km/hr.

75 * 5/18 = 125/6 m/sec.
Distance covered = 500 + 500 = 1000 m.
Required time = 1000 * 6/125 = 48 sec. 
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