Problems on Trains - Quantitative Aptitude (MCQ) questions for Q. 45

Q.  Two trains are moving in the same direction at 50 km/hr and 30 km/hr. The faster train crosses a man in the slower train in 18 seconds. Find the length of faster train.
- Published on 12 Jun 15

a. 125 meter
b. 100 meter
c. 110 meter
d. None of these

ANSWER: 100 meter

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    Discussion

  • Tasleem Bano    -Posted on 17 Sep 18
    Since the two trains are moving in same direction, the relative speed

    = (50 - 39)= 20 kmph

    = 20×5/18
    = 50/9 m/sec.

    Length of the fast train = 50/9x18
    =100 m
    ×
    44
    = 220 metres.
  • Tasleem Bano    -Posted on 17 Sep 18
    Since the two trains are moving in same direction, the relative speed

    = (50 - 39)= 20 kmph

    = 20×5/18
    = 50/9 m/sec.

    Length of the fast train = 50/9x18
    =100 m
    ×
    44
    = 220 metres.
  • Nilesh Karale   -Posted on 03 Mar 16
    Speeds of two trains=50 and 30
    in same direction speed=50-30=20km/hr=20*5/18=50/9 m/sec
    and distance=speed*time=50/9*18=100m

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