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    Question

    A certain sum of money invested at R% p.a. fetches a

    compound interest (compounded annually) of 1800 and simple interest of Rs.1600 at the end of 2 years. Find the value of ‘R’.
    A 8% Correct Answer Incorrect Answer
    B 14% Correct Answer Incorrect Answer
    C 25% Correct Answer Incorrect Answer
    D 12% Correct Answer Incorrect Answer

    Solution

    Difference between compound interest and simple interest for 2 years = 1800 – 1600 = Rs.200 Simple interest for 1 year = 1600/2 = Rs.800 So, R = (200/800) × 100 = 25%

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