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    Question

    A shopkeeper allows a discount of 10% to his

    customers and still gains 20% . Find the marked price of the article which costs Rs.450?
    A Rs. 600/- Correct Answer Incorrect Answer
    B Rs. 540/- Correct Answer Incorrect Answer
    C Rs. 660/- Correct Answer Incorrect Answer
    D Rs. 580/- Correct Answer Incorrect Answer
    E Rs. 400/- Correct Answer Incorrect Answer

    Solution

    Let the marked price be = Rs. x. According to qeustion, 90% of x = 120% of 450 `=>(x xx90)/100 = (450xx120)/100 = 600`

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