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The ratio of the cost price and selling price is 5 : 4, the loss percent is = ?
Answer & Solution
Correct Answer:
Option
A
According to question,
$$\eqalign{ & \frac{{{\text{Cost price}}}}{{{\text{Selling price}}}} = \left. {\frac{5}{4}} \right\}{\text{1 unit loss}} \cr & {\text{loss}}\% = \frac{1}{5} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\, = 20\% {\text{ loss}} \cr} $$
$$\eqalign{ & \frac{{{\text{Cost price}}}}{{{\text{Selling price}}}} = \left. {\frac{5}{4}} \right\}{\text{1 unit loss}} \cr & {\text{loss}}\% = \frac{1}{5} \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\, = 20\% {\text{ loss}} \cr} $$
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