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Cost price of 28 articles is equal to selling price of 21 articles, then percentage of profit is = ?
Answer & Solution
Correct Answer:
Option
B
Cost price of 28 articles = Selling price of 21 articles
$$\frac{{{\text{CP}}}}{{{\text{SP}}}} = \frac{{21}}{{28}} = \frac{3}{4}$$
Profit = Selling price - Cost price = 4 - 3 = 1
$$\eqalign{ & {\text{Profit }}\% = \frac{1}{3} \times 100 \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = 33\frac{1}{3}\% \cr} $$
$$\frac{{{\text{CP}}}}{{{\text{SP}}}} = \frac{{21}}{{28}} = \frac{3}{4}$$
Profit = Selling price - Cost price = 4 - 3 = 1
$$\eqalign{ & {\text{Profit }}\% = \frac{1}{3} \times 100 \cr & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, = 33\frac{1}{3}\% \cr} $$
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