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Profit or loss equals the cost or selling price of some articles (cost of x articles = selling price of y): profit percent or price

This type of question, asked 5 times: 21 Jul 2023 S4, 27 Jul 2023 S3, 23 Sep 2024 S2, 14 Sep 2025 S2, 17 Sep 2025 S2. All 5 questions below, oldest first.

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  1. Question 1

    21 Jul 2023 S4

    72
    A shopkeeper bought 20 chairs for ₹18,000. On selling them he had a gain equal to the selling price of four chairs. What is the selling price of each chair?

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  2. Question 2

    27 Jul 2023 S3

    63
    If the cost price of 28 oranges is equal to selling price of 24 oranges, then the profit percentage is:

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  3. Question 3

    23 Sep 2024 S2

    72
    The marked price of 55 items was equal to the cost price of 99 items. The selling price of 56 items was equal to the marked price of 35 items. Calculate the profit or loss percentage from the sale of each item.

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  4. Question 4

    14 Sep 2025 S2

    64
    A bookseller sells 10 pens for ₹300, but in doing so, he incurs a loss equal to the cost price of 4 pens. The loss percent is:

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  5. Question 5

    17 Sep 2025 S2

    58
    A fruit vendor sells 15 kg of apples for ₹750, thereby gaining the cost price of 5 kg of apples. What is his profit percentage?

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