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    Question

    Anjali invested Rs. 3200 at (R + 6)% p.a. simple

    interest and earned an interest of Rs. 2304 in 3 years. What would be the interest if the same amount is invested at R% p.a. for 2 years?
    A Rs.1152 Correct Answer Incorrect Answer
    B Rs.1650 Correct Answer Incorrect Answer
    C Rs.1770 Correct Answer Incorrect Answer
    D Rs.1450 Correct Answer Incorrect Answer

    Solution

    ATQ,

    3200 × (R + 6)/100 × 3 = 2304

    Or, 96R + 576 = 2304

    Or, 96R = 1728

    Or, R = 18

    Desired Interest = 3200 × 18/100 × 2 = Rs. 1152

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