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Railways Sample Paper RRB (Assistant Loco Pilot) Sample Test Paper-17

  • question_answer
    What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?

    A)  \[1:3\]                          

    B)  \[1:4\]                   

    C)                     \[2:3\]                 

    D)         Data inadequate                       

    Correct Answer: C

    Solution :

    Let the principal be P and rate of interest be R%. \[\therefore \] Required ratio             \[=\left[ \frac{\left( \frac{P\times R\times 6}{100} \right)}{\left( \frac{P\times R\times 9}{100} \right)} \right]=\frac{6PR}{9PR}=\frac{6}{9}=2:3.\]


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