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    Question

    If a water bill is paid before the due date, a 12% discount

    is offered. A person paid the bill on time but received only 9% discount, and hence paid Rs. 15.6 more. Find the original amount of the bill.
    A Rs.669 Correct Answer Incorrect Answer
    B Rs.384 Correct Answer Incorrect Answer
    C Rs.425 Correct Answer Incorrect Answer
    D Rs.520 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the amount of the bill = Rs. x

    According to the question,

    x × 12% - x × 9% = 15.6

    x × 3% = 15.6

    x = Rs. 520

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