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SSC Sample Paper SSC (Group-C) Sample Test Paper-7

  • question_answer
    The speeds of two trains are in the ratio\[6:7\] If the second train runs 364 km in 4 hours, then the speed of first train is

    A)  \[60\text{ }km/hr\]                 

    B)  \[72\text{ }km/hr\]

    C)  \[78\text{ }km/hr\]     

    D)       \[84\text{ }km/hr\]

    Correct Answer: C

    Solution :

     Speed of second train \[=\frac{364}{4}\]=91 kmph \[\therefore \]    \[7x=91\] \[\therefore \]    \[6x=\frac{91}{7x}\times 6x\equiv 78\,kmph\]


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