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    Question

    A shopkeeper marked an item 50% above its cost and offered

    a 30% discount. If the item is sold at Rs. 3,150, then what is the profit?
    A Rs.760 Correct Answer Incorrect Answer
    B Rs.610 Correct Answer Incorrect Answer
    C Rs.540 Correct Answer Incorrect Answer
    D Rs.840 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the cost price of article be Rs. '100b'

    Marked price of article = 1.50 × 100b = Rs. '150b'

    Selling price of article = 0.70 × 150b = Rs. '105b'

    So, 105b = 3,150

    Or, 'b' = 30

    Therefore, required profit = 5 × 30 = Rs. 150

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