Question 115

On an article the profit is 210% of the cost price. If the cost price increase by 40% but the selling price remains constant, then approximately what percentage of selling price will be the profit?

Solution

Let cost price = Rs. 100

=> Profit = $$\frac{210}{100}\times100=Rs.$$ $$210$$

=> Selling price = $$210+100=Rs.$$ $$310$$

Now new cost price = $$100+(\frac{40}{100}\times100)=Rs.$$ $$140$$

Thus, new profit = $$310-140=Rs.$$ $$170$$

=> Required % = $$\frac{170}{310}\times100\approx55\%$$

=> Ans - (A)

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