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    Question

    Invest Rs. (3x + 150) at 12% per annum to earn Rs. 1080

    after 3 years. Find the interest earned when Rs. (2x - 50) is invested at the same interest rate for the same duration.
    A Rs.540 Correct Answer Incorrect Answer
    B Rs.324 Correct Answer Incorrect Answer
    C Rs.612 Correct Answer Incorrect Answer
    D Rs.450 Correct Answer Incorrect Answer
    E none of these Correct Answer Incorrect Answer

    Solution

    ATQ, Equation for the initial investment: Calculate the interest with new principal: The interest earned with the new investment is Rs. 612.

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