Multiple Choice Questions on A journey of 192 km between two cities takes two hours less by a fast train than by a slow trai........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

A journey of 192 km between two cities takes two hours less by a fast train than by a slow trai...........

Quantitative Aptitude ( CCS) Time & distance
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    A journey of 192 km between two cities takes two hours less by a fast train than by a slow train. If the average speed of the slow train is 16 km/h less than that of the fast train, then the average speed of the fast train is

     

    40kmph
     

    Incorrect Answer

    36kmph
     

    Incorrect Answer

    52kmph
     

    Incorrect Answer

    48kmph

    Correct Answer
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    Explanation:

    192/x = [192/x-16] – 2
    192/x-16 – 192/x = 2
    Chk from option
    192/48-16 – 192/48= 6-4 =2

    By: Sandeep Dubey
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