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Discussion :: Simple Interest

  1.  What is the rate of simple interest?

       I. The total interest earned was Rs. 4000.

       II. The sum was invested for 4 years.  

    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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    Answer : Option A

    Explanation :

     

    We know that, R =      
    \([\frac { 100*S*I } { P*T } ]\)

    we,  I gives, S.I. = Rs. 4000.

           II gives, T = 4 years.

     

    But, P is unknown. So, we cannot find R.

     

    So, given data is insufficient to get R.

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