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Home Aptitude Problems on Trains See What Others Are Saying!
  • Question
  • Two trains namely X & Y leave station 'A' at 6.30am and 7.40am and travel at 30km/hr and 40 km/hr respectively. How many kms from 'A' will the trains meet ?


  • Options
  • A. 140 kms
  • B. 120 kms
  • C. 96 kms
  • D. 142 kms

  • Correct Answer
  • 140 kms 

    Explanation

    It is given train X leave station A at 6:30 am, here it is asked to calculate the distance from A when the trains meet, the
    Distance traveled by train left at 6:30 am upto 7:40 am i.e. in 1 hr. 10 min. or 7/6 hours = 30 x 7/6 = 35 km
    So train leaving at 7:40 am will meet first train after covering a distance of 35 km. with relative speed of 40-30=10 km/hr.
    Hence time taken = 35/10 = 3.5 hours or 3 hours 30 minutes
    So distance from A = Distance traveled by 2nd train in 3 hr. 30 min
    = 40 x 3.5 = 140 km.

  • Tags: AIEEE, Bank Exams, CAT, GATE, GRE, Analyst, Bank Clerk, Bank PO

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