Menu
Home / Arithmetic Aptitude / Problems on Trains :: Discussion

Discussion :: Problems on Trains

  1. A 300 metre long train crosses a platform in 39 seconds while it crosses a signal pole in 18 seconds. What is the length of the platform?

    2. A.
    320 m
    B.
    350 m
    C.
    650 m
    D.
    Data inadequate

    View Answer

    Workspace

    View Answer

    Answer : Option B

    Explanation :

    Speed = 1-sym-oparen-h1 300 1-sym-cparen-h1 m/sec = 50 m/sec.
    18 3

    Let the length of the platform be x metres.

    Then, 1-sym-oparen-h1 x + 300 1-sym-cparen-h1 = 50
    39 3

    => 3(x + 300) = 1950

    => x = 350 m.

Write your comments here:

Be The First To Comment