General Aptitude Problems on Trains Question #2515
Single Choice Not Set

QA train 100 meters long moving at a speed of 50 kmph crosses a train 120 meters long coming from opposite direction in 6 seconds. The speed of second train is:

ID: #2515 Problems on Trains 671 views
Question Info
#2515Q ID
Not SetDifficulty
Problems on TrainsTopic

Choose the Best Option

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  • A 132 kmph
  • B 82 kmph
  • C 60 kmph
  • D 50 kmph
Correct Answer

Explanation

Speed of the second train be x km/hr. 

 
Relative speed = (50 + x) km/hr 
 
= [(50 + x) × 5/18] m/sec 
 
 = (250+5x│18) m/sec 220 × 18 
 
= 6 (250 + 5 x) 
 
The speed of the second train = 82 km/hr.

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