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    Question

    The simple interest earned on a certain sum at 12% per

    annum for 6 years is equal to 2/5 of the compound interest earned on ₹10,000 at 15% per annum, compounded annually for 3 years. Find the principal amount deposited at simple interest.
    A Rs 3556.84 Correct Answer Incorrect Answer
    B Rs 2893.75 Correct Answer Incorrect Answer
    C Rs 3841.84 Correct Answer Incorrect Answer
    D Rs 2340.05 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    P*12*6/100 = 2/5 of 10000*[(1 + 15/100) 3  -1]
    P = 50000/9 * [(23/20) 3  -1]
    P = (50000/9) * (4167/8000)
    P = ₹2893.75

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