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    Question

    A sum of Rs. 2000 earns a simple interest of Rs. 600 in 5

    years at R% per annum. Calculate the simple interest on Rs. 2500 at the rate of (R + 2)% per annum in 4 years.
    A Rs.550 Correct Answer Incorrect Answer
    B Rs.800 Correct Answer Incorrect Answer
    C Rs.720 Correct Answer Incorrect Answer
    D Rs.665 Correct Answer Incorrect Answer

    Solution

    ATQ,

    600 = 2000 × R% × 5

    R = 600 / 100 = 6

    Therefore, required interest = 2500 × (6 + 2)% × 4 = Rs. 800

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