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Ravi buys salt at Rs. 16 per kg and sells it at Rs. 18 per kg. He also uses the weight of 900 gm instead of 1000 gm. What is Ravi's actual profit percentage?
Answer & Solution
Correct Answer:
Option
D
$$\eqalign{
& \frac{{{\text{Selling price}}}}{{{\text{Cost price}}}} = \frac{{18}}{{16}} \times \frac{{1000}}{{900}} = \frac{5}{4} \cr
& {\text{Profit }}\% = \frac{1}{4} \times 100 = 25\% \cr} $$
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