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    Question

    A shopkeeper sold a smartwatch

    for Rs. 7,200 and made a profit percentage equal to the profit/loss percentage that occurs when 32 earbuds are sold at the cost price of 48 earbuds. Determine the cost price of the smartwatch.
    A Rs. 4,850 Correct Answer Incorrect Answer
    B Rs. 4,200 Correct Answer Incorrect Answer
    C Rs. 4,800 Correct Answer Incorrect Answer
    D Rs. 4,000 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ, Let the cost price of 1 earbud = Rs. 10 So the cost price of 32 earbuds = Rs. 320 Selling price of 32 earbuds = Cost price of 48 pens = Rs. 480 Profit % earned = (480 – 320)/320 × 100 = 50% So the cost price of the Smartwatch = 7200/1.50 = Rs. 4,800

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