Apples are bought at 7 for Rs. 9/- and sold at 9 for Rs. 7/-. Find the gain or loss percentage?  Choose the correct choice from the following answers:
A) 36.59% Gain B) 36.59% Loss C) 39.506% Loss D) 39.506% Profit E) None of these
Explanation:   7 Apples -----&gt; 9/-   9 Apples ----&gt; 7/-   Note: In every time same in the cost price articles and selling price articles.   9(7 9) ==&gt; 63 81 = 39.506% Lossost price   7 (9 7) ==&gt; 63 49 = Selling price   Then, 32/81 × 100 = 3200/81 = 39.506% Loss   Answer: Option 39.506% Loss
<result>C</result>
Apples are bought at 7 for Rs. 9/- and sold at 9 for Rs. 7/-. Find the gain or loss percentage?