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Discussion :: Simple Interest

  1. 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?
    2. A.
    1:3
    B.
    1:4
    C.
    2:3
    D.
    Data inadequate

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    Answer : Option C

    Explanation :

    Let the principal be P and rate of interest be R%.

    Required ratio = [(P * R * 6)/100] / [(P * R * 9)/100] = 6PR/9PR = 6/9 = 2:3

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