Niraj incurred a loss of 55 per cent on selling an article for Rs. 9549. What was the cost price of the article?
Let the CP of an article be x.
Loss% =$$\frac{CP-SP}{CP}$$
0.55 = $$\frac{x-9549}{x}$$
0.55 = 1-$$\frac{9549}{x}$$
x = 9549/(1- 0.55) = 9549/0.45 = 21220.
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