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    Question

    Find the compound interest on Rs. 4000 at 10% per annum

    for 2 years, compounded annually.
    A Rs. 540 Correct Answer Incorrect Answer
    B Rs. 940 Correct Answer Incorrect Answer
    C Rs. 800 Correct Answer Incorrect Answer
    D Rs. 840 Correct Answer Incorrect Answer

    Solution

    Amount A = P(1 + r/100)² = 4000 × (1 + 10/100)² = 4000 × (1.10)² = 4000 × 1.21 = 4840 Compound interest = A − P = 4840 − 4000 = 840 Answer: Rs. 840

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