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A shopkeeper makes a profit of Q per cent by selling an object for  24. Had the cost price and selling price been interchanged, it would have led to a loss of 62.5 Q per cent. With the latter cost price, what should be the new selling price to get a profit of Q per cent?

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Important Questions on Profit, Loss and Discount

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Mr. Poddar marks his goods at a price that gives him a profit of 40 per cent. 8 per cent of the consignment of goods was lost, 27 per cent was spoiled and had to be sold at two-third the cost price. If the remainder was sold at the marked price, what percentage profit or loss did the dealer make on that consignment?
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After selling a watch, Shyam found that he had made a loss of 10 per cent. He also found that had he sold it for  27 more, he would have made a profit of 5 per cent. The actual loss was what percentage of the profit earned, had he sold the watch for a 5 per cent profit?
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The seller by mistake interchanges the discount of 10 per cent on refrigerator and 15 per cent on the air cooler while making the bill to Ms. Preeti, If the refrigerator costs 40per cent as much as the air cooler, what per cent extra amount approximately he got for the wrong discount?
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The marked price of a mobile cover is 40 per cent above its cost price. When marked price is increased by 25 per cent and selling price is increased by 25 per cent, the profit is getting trebled. If the original marked price was  1,078, the original selling price was
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Due to market rise, the trader finds that ifhe doubles the cost price and trebles the selling price, then profit would become 80 per cent. What is the present profit percentage?
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A company retail outlet gives 8 per cent discount on printed price of the shirt and the outlet gets 31 per cent commission from the company. His profit per cent is
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A TV seller allows a discount of 16 per cent and a cash discount of 717% on the marked price. Then he gets a profit of 4 per cent on the cost. How much above the cost price he had marked the price?
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If a commission at the rate of 10 per cent is given to a given to a bookseller on the marked price ofa book by the publisher, the publisher gains 20 per cent. If the commission is increased to 15 per cent, then the gain per cent would be