Question

    Hema invested ₹1,728 at the rate of compound interest

    (Compounded annually) for 3 years. She got ₹4,096 after the specified period. Find the rate of interest per annum.
    A 33(1/2) % Correct Answer Incorrect Answer
    B 30(1/2) % Correct Answer Incorrect Answer
    C 33(1/3) % Correct Answer Incorrect Answer
    D 30(1/3) % Correct Answer Incorrect Answer

    Solution

    A=P(1+r/100)3 4096/1728 =(1+r/100)3 64/27 =(1+r/100)3 1+r/100=4/3 r/100= (4/3)-1=1/3 r =100/3 =33.33% =33(1/3)%

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