Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is:

A. 50 m B. 72 m
C. 80 m D. 82 m

• ans A.50m
  
  Let the length of each train be x metres.
  
  Then, distance covered = 2x metres.
  
  Relative speed = (46 - 36) km/hr
  
  (10 x (5/18) ) m/s = 25/9 m/s
  
  2x/36 = 25/9
  2x=100
  x=50
• 11 years agoHelpfull: Yes(5) No(2)
• Let the length of each train be x metres.
  
  Then, distance covered = 2x metres.
  
  Relative speed = (46 - 36) km/hr
  
  = 10 x 5 m/sec
  18
  = 25 m/sec
  9
  2x = 25
  36 9
  2x = 100
  
  x = 50
• 10 years agoHelpfull: Yes(2) No(2)
• 46-36=10*5/18=25/9
  d=25/9*36=100
  eac len=50.
• 6 years agoHelpfull: Yes(0) No(0)