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By selling a book for $₹240$, a publisher gains $\frac{1}{11}$ of what it costs him. The cost price of the book is:

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A shopkeeper sells an article at a loss of $12\frac{1}{2}\%$. If he sells it for $₹92.50$ more then he gains $6\%$. What is the C.P. of the article?

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A tradesman marks his goods at $25\%$ above the cost price and allows the purchaser a discount of $12\frac{1}{2}\%$. His gain percent is :

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While selling a cooler a shopkeeper gives a discount of $10\%$ on the marked price. If he gives a discount of $12\%$, he earns $₹ 35$ less as profit. The marked price of the cooler is:

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A trader gains $15\%$ after selling an item at a $10\%$ discount on the printed price. The ratio of the cost price and the printed price is :

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A bicycle marked at $₹2000$ is sold with two successive discounts of $20\%$ and $10\%$. An additional discount of $5\%$ is offered for cash payment. The selling price of the bicycle at cash payment is :

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The marked price of a watch is $₹ 820$. A man bought the watch for $₹ 570.72$ after getting two successive discounts of which the first was $20\%$. The second discount is:

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A fan is listed at $₹ 1400$ and $10\%$ discount is offered on it. What additional discount must be given to bring the net selling price to $₹ 1200$ ?

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What is the difference between $40\%$ discount on $₹500$ and a series discount of $30\%$ and $10\%$ on the same ?