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    Question

    A shopkeeper purchases 50 pens and recovers the cost

    price after selling 35 of them. He sells the remaining 15 pens at a profit of 20% and earns Rs. 180 as profit on them. What is the total selling price of the 50 pens?
    A Rs.4450 Correct Answer Incorrect Answer
    B Rs.5020 Correct Answer Incorrect Answer
    C Rs.4080 Correct Answer Incorrect Answer
    D Rs.3350 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Let the cost price per pen be Rs. x.
    Total CP of 50 pens = 50x.
    SP of 35 pens = 50x (cost recovered).
    Profit on remaining 15 pens = 20%.
    So, 15x × 0.2 = 180
    3x = 180 ⇒ x = Rs. 60
    Total SP = 50x + 1.2 × 15x
    = 50 × 60 + 1.2 × 15 × 60
    = 3,000 + 1,080 = Rs. 4,080

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