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Arithmetic Aptitude :: Problems on Trains

Problems on Trains - Important Formulas
Problems on Trains - General Questions -1
Problems on Trains - General Questions -2
Problems on Trains - Data Sufficiency 1
Problems on Trains - Data Sufficiency 2
Problems on Trains - Data sufficiency  3
Problems on Trains - [Data Sufficiency 4]
Problems on Trains - Data sufficiency 5 Dummy Testing
Directions To Solve

Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements and

  • Give answer (A) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
  • Give answer (B) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
  • Give answer (C) if the data either in Statement I or in Statement II alone are sufficient to answer the question.
  • Give answer (D) if the data even in both Statements I and II together are not sufficient to answer the question.
  • Give answer(E) if the data in both Statements I and II together are necessary to answer the question.

  1. What is the speed of the train whose length is 210 metres?

    I. 

    The train crosses another train (Howrah Express/12869) of 300 metres length running in opposite direction in 10 seconds.

     II. 

    The train crosses another train (Howrah Express/12869) running in the same direction at the speed of 60 km/hr in 30 seconds.
    2. A.

    I alone sufficient while II alone not sufficient to answer
    B.
    II alone sufficient while I alone not sufficient to answer
    C.
    Either I or II alone sufficient to answer
    D.
    Both I and II are not sufficient to answer
    E.
    Both I and II are necessary to answer

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  2.  What is the speed of the train whose length is 210 metres?

    I. The train crosses another train (Howrah Express/12869) of 300 metres length running in opposite direction in 10 seconds.

     II. The train crosses another train (Howrah Express/12869) running in the same direction at the speed of 60 km/hr in 30 seconds.

     

    3. A.

    I alone sufficient while II alone not sufficient to answer
    B.

    II alone sufficient while I alone not sufficient to answer
    C.

    Either I or II alone sufficient to answer
    D.
    Both I and II are not sufficient to answer
    E.

    Both I and II are necessary to answer

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  3.  What is the length of a running train crossing another 180 metre long train running in the opposite direction?

        I.The relative speed of the two trains was 150 kmph.

       II.The trains took 9 seconds to cross each other.
     

    4. A.

    I alone sufficient while II alone not sufficient to answer
    B.

    II alone sufficient while I alone not sufficient to answer
    C.

    Either I or II alone sufficient to answer
    D.

    Both I and II are not sufficient to answer
    E.
    Both I and II are necessary to answer

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